Proceedings of the European Computing Conference Volume 1

Lecture Notes in Electrical Engineering

Volume 27

Lecture Notes in Electrical Engineering

Proceedings of the European Computing Conference: Volume 2

Mastorakis, Nikos, Mladenov, Valeri (Eds.)

978-0-387-84818-1, Vol. 28

Proceedings of the European Computing Conference: Volume 1

Mastorakis, Nikos, Mladenov, Valeri (Eds.)

978-0-387-84813-6, Vol. 27

Electronics System Design Techniques for Safety Critical Applications

Sterpone, Luca

978-1-4020-8978-7, Vol. 26

Data Mining and Applications in Genomics

Ao, Sio-Iong

978-1-4020-8974-9, Vol. 25

Informatics in Control, Automation and Robotics: Selected Papers from the

International Conference on Informatics in Control, Automation and Robotics 2007

Filipe, J.B.; Ferrier, Jean-Louis; Andrade-Cetto, Juan (Eds.)

978-3-540-85639-9, Vol. 24

Digital Terrestrial Broadcasting Networks

Beutler, Roland

ISBN 978-0-387-09634-6, Vol. 23

Logic Synthesis for Compositional Microprogram Control Units

Barkalov, Alexander, Titarenko, Larysa

ISBN: 978-3-540-69283-6, Vol. 22

Sensors: Advancements in Modeling, Design Issues, Fabrication and Practical Applications

Mukhopadhyay, Subhas Chandra; Huang, Yueh-Min (Eds.)

ISBN: 978-3-540-69030-6, Vol. 21

Smart Sensors and Sensing Technology

Mukhopadhyay, Subhas Chandra; Sen Gupta, Gourab (Eds.)

ISBN: 978-3-540-79589-6 , Vol. 20

Basic Principles of Fresnel Antenna Arrays

Minin, Igor V., Minin, Oleg V.

ISBN: 978-3-540-79558-2, Vol. 19

Fundamental Numerical Methods for Electrical Engineering

Rosloniec, Stanislaw

ISBN: 978-3-540-79518-6 , Vol. 18

RFID Security and Privacy: Concepts, Protocols, and Architectures

Henrici, Dirk

ISBN: 978-3-540-79075-4, Vol. 17

(Continued after index)

Nikos Mastorakis l Valeri Mladenov l

Vassiliki T. Kontargyri

Editors

Proceedings of the

European Computing

Conference

Volume 1

1 3

Editors

Nikos Mastorakis

Hellenic Naval Academy

Military Institutes of University

Education

Piraeus, Greece

[email protected]

Valeri Mladenov

Technical University of Sofia

Sofia, Bulgaria

[email protected]

Vassiliki T. Kontargyri

National Technical

University of Athens

Athens, Greece

[email protected]

ISSN 1876-1100 e-ISSN 1876-1119

ISBN 978-0-387-84813-6 e-ISBN 978-0-387-84814-3

DOI 10.1007/978-0-387-84814-3

Library of Congress Control Number: 2008937179

# Springer ScienceþBusiness Media, LLC 2009

All rights reserved. This work may not be translated or copied in whole or in part without the written

permission of the publisher (Springer ScienceþBusiness Media, LLC, 233 Spring Street, New York,

NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in

connection with any form of information storage and retrieval, electronic adaptation, computer

software, or by similar or dissimilar methodology now known or hereafter developed is forbidden.

The use in this publication of trade names, trademarks, service marks, and similar terms, even if they

are not identified as such, is not to be taken as an expression of opinion as to whether or not they are

subject to proprietary rights.

While the advice and information in this book are believed to be true and accurate at the date of

going to press, neither the authors nor the editors nor the publisher can accept any legal

responsibility for any errors or omissions that may be made. The publisher makes no warranty,

express or implied, with respect to the material contained herein.

Printed on acid-free paper

springer.com

Contents

Part I Neural Networks and Applications

1 Handwriting Knowledge Based on Parameterization for Writer

Identification ........................................... 3

Carlos F. Romero, Carlos M. Travieso, Miguel A. Ferrer,

and Jesu´ s B. Alonso

2 Identification Surfaces Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Virgil Teodor, Alexandru Epureanu, and Ciprian Cuzmin

3 Neuro-Fuzzy Models and Tobacco Control . . . . . . . . . . . . . . . . . . . . 25

Sonja Petrovic-Lazarevic and Jian Ying Zhang

4 PNN for Molecular Level Selection Detection . . . . . . . . . . . . . . . . . . 33

Krzysztof A. Cyran

5 Fine-Tune Artificial Neural Networks Automatically. . . . . . . . . . . . . 39

Francisco Reinaldo, Rui Camacho, Luı´s P. Reis,

and Deme´trio Reno Magalha ´ ˜es

6 A Neurofuzzy Network for Supporting Detection of Diabetic

Symptoms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Leonarda Carnimeo

7 Empirical Assessment of LR- and ANN-Based Fault Prediction

Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Bindu Goel and Yogesh Singh

Part II Advances in Image Processing

8 A New Scheme of Image Watermarking . . . . . . . . . . . . . . . . . . . . . . 67

Chokri Chemak, Jean Christophe Lapayre, and Mohamed

Salim Bouhlel

v

9 Diffusing Vector Field of Gray-Scale Images for Image

Segmentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

X.D. Zhuang and N.E. Mastorakis

10 Image Processing via Synchronization in a Self-Organizing

Oscillatory Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Eugene Grichuk, Margarita Kuzmina, and Eduard Manykin

11 Feature Based Color Stereo Matching Algorithm Using Restricted

Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Hajar Sadeghi, Payman Moallem, and S. Amirhassan Monadjemi

12 A Novel Edge-Preserving Lossy Image Coder . . . . . . . . . . . . . . . . . . 113

Osslan Osiris Vergara Villegas, Manuel de Jesu´ s Nandayapa Alfaro,

and Vianey Guadalupe Cruz Sa´nchez

Part III Modeling and Simulation

13 Equivalent Circuit Extraction for Passive Devices . . . . . . . . . . . . . . . 123

Yi-Ting Kuo, Hsueh-Yung (Robert) Chao, and Yiming Li

14 Sleep Quality Differences According to a Statistical Continuous

Sleep Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

A.G. Ravelo-Garcı´a, F.D. Lorenzo-Garcı´a,

and J.L. Navarro-Mesa

15 Simulation Modeling in Support of a European Airspace Study. . . . . 143

John Morris, John James, James DeArmon, Kelly Connolly,

and Paula Mahoney

16 3D Measurement System for Car Deformation Analysis . . . . . . . . . . 153

Andra´s Rovid, Takeshi Hashimoto, and Pe ¨ ´ter Va´rlaki

17 Adaptive MV ARMA Identification Under the Presence of Noise . . . 165

Stylianos Sp. Pappas, Vassilios C. Moussas,

and Sokratis K. Katsikas

18 Planck’s Law Simulation Using Particle Systems . . . . . . . . . . . . . . . 179

Douglas Farias Cordeiro, Marcos Aure´lio Batista,

and Celia A. Zorzo Barcelos

19 Simulation Results Using Shock Absorbers with Primary

Intelligence—VZN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Adrian-Ioan Niculescu, Tudor Sireteanu, and Daniel Dumitriu

vi Contents

20 Pattern Generation via Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . 199

Tatsuo Suzuki and Yasumichi Hasegawa

21 3D Reconstruction: Estimating Depth of Hole from 2D Camera

Perspectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Muhammad Abuzar Fahiem, Shaiq A. Haq, Farhat Saleemi,

and Huma Tauseef

22 Modeling Diversity in Recovery Computer Systems. . . . . . . . . . . . . . 223

George Popov and Valeri Mladenov

23 Cell Automata Models for a Reaction-Diffusion System . . . . . . . . . . 235

Costin-Radu Boldea and Afrodita Balasa Boldea

24 3D Reconstruction of Solid Models from 2D Camera Perspectives . . 241

Muhammad Abuzar Fahiem

25 DiProNN: VM-Based Distributed Programmable Network Node

Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

Toma´sˇ Rebok

26 A Semantics of Behavioural Concepts for Open Virtual

Enterprises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

Mohamed Bouhdadi and Youssef Balouki

27 A Semantics of Community Related Concepts in ODP Enterprise

Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273

Mohamed Bouhdadi and Youssef Balouki

28 Modeling of the Speech Process Including Anatomical Structure

of the Vocal Tract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285

Zygmunt Ciota

29 Carbon Nanotube FET with Asymmetrical Contacts . . . . . . . . . . . . . 291

Alireza Kargar, Zoheir Kordrostami, and Mohammad

Hossein Sheikhi

30 Optimizing Prosthesis Design by Using Virtual Environments. . . . . . 297

Adrian Zafiu, Monica Dasca˘lu, Eduard Franti,

and Annely-Mihaela Zafiu

Part IV Multi-Agent Systems

31 A Maude-Based Tool for Simulating DIMA Model. . . . . . . . . . . . . . 305

Noura Boudiaf and Lakhdar Sahbi

Contents vii

32 Using Two-Level Morphology to Recognize Derived

Agentive Nouns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319

Arbana Kadriu

33 Towards an Agent Framework to Support Distributed

Problem Solving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329

G.A. Mallah, Z.A. Shaikh, and N.A. Shaikh

34 Building Moderately Open Multi-Agent Systems:

The HABA Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337

A. Garce´s, R. Quiros, M. Chover, J. Huerta, and E. Camahort ´

Part V Educational Software and E-Learning Systems

35 Using Mathematics for Data Traffic Modeling Within

an E-Learning Platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349

Marian Cristian Miha˘escu

36 Developing Statistics Learning at a Distance Using Formal

Discussions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359

Jamie D. Mills

37 Distance Teaching in the Technology Course in Senior

High School . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367

Shi-Jer Lou, Tzai-Hung Huang, Chia-Hung Yen,

Mei-Huang Huang, and Yi-Hui Lui

38 Electronic Exams for the 21st Century. . . . . . . . . . . . . . . . . . . . . . . . 383

Antonios S. Andreatos

39 Effects of the Orff Music Teaching Method on Creative

Thinking Abilities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391

Rong-Jyue Fang, Hung-Jen Yang, C. Ray Diez,

Hua-Lin Tsai, Chi-Jen Lee, and Tien-Sheng Tsai

40 Knowledge Application for Preparing Engineering High School

Teachers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399

Kuo-Hung Tseng, Ming-Chang Wu, and See-Chien Hou

41 Collaborative Online Network and Cultural Exchange Project . . . . . 409

Rong-Jyue Fang, Hung-Jen Yang, C. Ray Diez, Hua-Lin Tsai,

Chi-Jen Lee, and Tien-Sheng Tsai

viii Contents

42 A Study of the Project on Mobile Devices in Education . . . . . . . . . . . 421

Rong-Jyue Fang, Hung-Jen Yang, Hua-Lin Tsai, Chi-Jen Lee,

Chung-Ping Lee, and Pofen Wang

43 The Solutions of Mobile Technology for Primary School. . . . . . . . . . 431

Rong-Jyue Fang, Hung-Jen Yang, C. Ray Diez, Hua-Lin Tsai,

Chi-Jen Lee, and Tien-Sheng Tsai

44 A Study of Verifying Knowledge Reuse Path Using SEM . . . . . . . . . 443

Hung-Jen Yang, Hsieh-Hua Yang, and Jui-Chen Yu

45 A Web-Based System for Distance Learning of Programming. . . . . . 453

V.N. Kasyanov and E.V. Kasyanova

46 New Software for the Study of the Classic Surfaces from

Differential Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463

Anca Iordan, George Savii, Manuela Pa˘noiu, and Caius Pa˘noiu

47 Data Requirements for Detecting Student Learning Style

in an AEHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473

Elvira Popescu, Philippe Trigano, and Mircea Preda

48 Ontology-Based Feedback E-Learning System

for Mobile Computing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479

Ahmed Sameh

Part VI Information Communication Technologies

49 Potentiality of Information Technology Systems . . . . . . . . . . . . . . . . 491

Emmanouil Zoulias, Stavroula Kourtesi, Lambros Ekonomou,

Angelos Nakulas, and Georgios P. Fotis

50 A Review of Techniques to Counter Spam and Spit . . . . . . . . . . . . . . 501

Angelos Nakulas, Lambros Ekonomou, Stavroula Kourtesi,

Georgios P. Fotis, and Emmanouil Zoulias

51 Sequential Algorithms for Max-Min Fair Bandwidth Allocation . . . . 511

Wodzimierz Ogryczak and Tomasz S´liwin´ski

52 A Temporal Variation in Indoor Environment . . . . . . . . . . . . . . . . . . 523

A. Jraifi, E.H Saidi, A. El Khafaji, and J. El Abbadi

53 Workflow Management for Cross-Media Publishing . . . . . . . . . . . . . 533

Andreas Veglis and Andreas Pomportsis

Contents ix

54 A Bayesian Approach to Improve the Performance

of P2P Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543

Bertalan Forstner and Hassan Charaf

55 Deploying BitTorrent in Mobile Environments. . . . . . . . . . . . . . . . . . 555

Imre Kele´nyi and Bertalan Forstner

56 Numerical Simulation for the Hopf Bifurcation in TCP Systems. . . . 567

Gabriela Mircea and Mihaela Muntean

57 Communications by Vector Manifolds . . . . . . . . . . . . . . . . . . . . . . . . 575

Guennadi Kouzaev

58 A Computation Study in Mesh Networks by Scheduling

Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583

G.E. Rizos, D.C. Vasiliadis, E. Stergiou, and E. Glavas

59 Serially Concatenated RS Codes with ST Turbo Codes

Over Ring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 591

P. Remlein and R. Orzechowski

60 Network Performance Monitoring and Utilization Measurement. . . . 601

Goran Martinovic, Drago Zagar, and Drazen Tomic

61 Blind Adaptive Multiuser Detection Based on Affine Projection

Algorithm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607

Amin Khansefid and Ali Olfat

62 Multiple Base Station Positioning for Sensor Applications . . . . . . . . 619

M. Amac Guvensan, Z. Cihan Taysi, and A. Gokhan Yavuz

63 Considerations for the Design of a General Purpose Wireless Sensor

Node. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 631

Z. Cihan Taysi and A. Gokhan Yavuz

64 Performance Comparison and Improvement of Wireless Network

Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 643

G.E. Rizos, D.C. Vasiliadis, and E. Stergiou

65 Modeling the Erroneous Behaviour of a Sequential Memory

Component with Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 651

Walter Dosch

66 FPGA Implementation of PPM I-UWB Baseband Transceiver. . . . . 663

K.S. Mohammed

x Contents

67 WSN-Based Audio Surveillance Systems . . . . . . . . . . . . . . . . . . . . . . 675

R. Alesii, G. Gargano, F. Graziosi, L. Pomante, and C. Rinaldi

68 Smart Antenna Design Using Multi-Objective Genetic

Algorithms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 683

I.O. Vardiambasis, N. Tzioumakis, and T. Melesanaki

Part VII Computer Applications in Modern Medicine

69 Intention to Adopt the E-Health Services System

in a Bureau of Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 691

Hsieh-Hua Yang, Jui-Chen Yu, Hung-Jen Yang,

and Wen-Hui Han

70 Visualization and Clustering of DNA Sequences . . . . . . . . . . . . . . . . 701

Krista Rizman Zˇalik

71 E-Health Service in Taiwan—The Role of Organizational

Innovativeness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711

Hsieh-Hua Yang, Jui-Chen Yu, and Hung-Jen Yang

72 Analysis of Heart Sounds with Wavelet Entropy . . . . . . . . . . . . . . . . 721

S. Bunluechokchai and P. Tosaranon

73 Detection of Mitral Regurgitation and Normal Heart Sounds . . . . . . 729

S. Bunluechokchai and W. Ussawawongaraya

74 Wavelet Entropy Detection of Heart Sounds . . . . . . . . . . . . . . . . . . . 737

T. Leeudomwong and P. Woraratsoontorn

75 Continuous Wavelet Transform Analysis of Heart Sounds. . . . . . . . . 745

P. Woraratsoontorn and T. Leeudomwong

76 Limitations of Lung Segmentation Techniques. . . . . . . . . . . . . . . . . . 753

Nisar Ahmed Memon, Anwar Majid Mirza, and S.A.M. Gilani

77 Segmentation of Anatomical Structures Using Volume Definition

Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 767

S. Zimeras and G. Karangelis

78 Shape Analysis of Heart Rate Lorenz Plots. . . . . . . . . . . . . . . . . . . . 779

France Sevsˇek

79 Human Readable Rule Induction in Medical Data Mining. . . . . . . . . 787

Nor Ridzuan Daud and David Wolfe Corne

Contents xi

Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 799

Subject Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 803

xii Contents

Contributors

J. El Abbadi Lab d’Electronique et de Te´le´communication, EMI, Rabat,

Morocco

R. Alesii Universita` degli Studi dell’Aquila, Centro di Eccellenza DEWS,

67100 Poggio di Roio (AQ), Italy, [email protected]

Manuel de Jesu´s Nandayapa Alfaro Universidad Autonoma de Ciudad Jua ´ ´rez

(UACJ), Avenida del Charro 450 Norte Ciudad Jua´rez Chihuahua Me´xico,

[email protected]

Jesu´s B. Alonso Centro Tecnologico para la Innovaci ´ on en Comunicaciones ´

(CETIC), Dpto. de Sen˜ales y Comunicaciones, Universidad de Las Palmas de

Gran Canaria, Campus de Tafira, E35017, Las Palmas de Gran Canaria, Spain,

[email protected]

Antonios S. Andreatos Division of Computer Engineering and Information

Science, Hellenic Air Force Academy, Dekeleia, Attica, TGA-1010, Greece,

[email protected], [email protected]

Youssef Balouki Department of Mathematics and Computer Science,

Mohammed V University, B.P 1014, Av. Ibn Bettouta, Rabat Morocco,

[email protected]

Celia A. Zorzo Barcelos Federal University of Uberlaˆ ndia 38.400-902,

Uberlaˆ ndia, MG, Brasil, [email protected]

Marcos Aure´lio Batista Federal University of Goia´s 75.701-970, Catala˜o, GO,

Brasil, [email protected]

Afrodita Balasa Boldea Department of Computer Science, West University

of Timisoara, 4,Vasile Parvan, Timisoara1900, Romania,

[email protected]

Costin-Radu Boldea Department of Computer Science, West University

of Timisoara, 4,Vasile Parvan, Timisoara1900, Romania, [email protected]

Noura Boudiaf Computer Science Department, University of Oum El Bouaghi

04000 Oum El Bouaghi, Algeria, [email protected]

xiii

Mohamed Bouhdadi Department of Mathematics and Computer Science,

Mohammed V University, B.P 1014, Av. Ibn Bettouta, Rabat, Morocco,

[email protected]

Mohamed Salim Bouhlel Research Unit, Sciences and Technologies of Image

and Telecommunications (SETIT), Higher Institute of Biotechnology of Sfax,

Tunisia, [email protected]

S. Bunluechokchai Department of Industrial Physics and Medical

Instrumentation, Faculty of Applied Science, King Mongkut’s Institute

of Technology, North Bangkok, 1518 Pibulsongkram Road, Bangsue,

Bangkok 10800 Thailand

Rui Camacho DEEC & LIACC, Universidade do Porto, R. Dr Roberto Frias,

s/n, 4200-465 Porto, Portugal, [email protected]

E. Camahort Department of Computer Systems, Polytechnic University

of Valencia, Valencia, Spain

Leonarda Carnimeo Dipartimento di Elettrotecnica ed Elettronica, Politecnico

di Bari, Via Orabona, 4 70125 BARI – Italy, [email protected]

Hsueh-Yung (Robert) Chao Department of Communication Engineering,

National Chiao Tung University, 1001 Ta-Hsueh Road, Hsinchu 300, Taiwan

Hassan Charaf Department of Automation and Applied Informatics,

Budapest University of Technology and Economics, H-1111 Budapest,

Goldmann Gyorgy te ¨ ´r 3., Hungary

Chokri Chemak Research Unit, Sciences and Technologies of Image and

Telecommunications (SETIT), Higher Institute of Biotechnology of Sfax,

Tunisia, [email protected]

M. Chover Department of Computer Systems, Jaume I University, Castellon, ´

Spain

Zygmunt Ciota Department of Microelectronics and Computer Science,

Technical University of Lodz, Poland

Kelly Connolly The MITRE Corporation, 202 Burlington Road, Bedford, MA

01730-1420, USA

Douglas Farias Cordeiro Federal University of Uberlaˆ ndia 38.400-902,

Uberlaˆ ndia, MG, Brasil, [email protected]

David Wolfe Corne School of Mathematical and Computer Sciences,

Heriot-Watt University, Edinburgh EH14 4AS, UK

Ciprian Cuzmin Department of Manufacturing Engineering, ‘‘Duna˘rea de Jos’’

University of Galati, Galati, 111 Domneasca˘ Street, zip code 800201, Romania

xiv Contributors