FACTA UNIVERSITATIS
SERIES: ELECTRONICS AND ENERGETICS

Editor: V. S. STOJANOVIC,   email: vitko@elfak.ni.ac.yu
University of Nis,
Yugoslavia

Corresponding address: Faculty of Electronic Engineering, Department of Electronics,
                       P.O. Box 73, 18000 Nis, 
                       Yugoslavia
                       Phone: +381-18-46-578
                       Fax:   +381-18-46-180

Editorial Board:

B.HARRISON, Brisbane, Australia      I.STOJANOVIC, Belgrade, Yugoslavia   
J.M.KONTOLEON, Thessaloniki, Greece  M.STOJIC, Belgrade, Yugoslavia
B.MILOVANOVIC, Nis, Yugoslavia       Z.TANG, Miyazaki-shi, Japan
V.MILOSEVIC, Novi Sad, Yugoslavia    K.TRONDLE, Neubiberg, Germany
T.MURESAN, Timisoara, Romania        J.TSOUKALAS, Thessaloniki, Greece
J.NAHMAN, Belgrade, Yugoslavia       I.VERESHCHAGIN, Moscow, Russia
G.SCARBATA, Ilmenau, Germany         W.WEBER, Bochum, Germany
N.STOJADINOVIC, Nis, Yugoslavia     


Secretary: S V. NIKOLIC, University of Nis.

This publication was in part supported by the Serbian Scientific Fondation

Tehnical support: Z.A. Ilic, University of Nis, Yugoslavia

Published by University of Nis, Univerzitetski trg 2, P.O. Box 123,18000 Nis, Yugoslavia

© 1998 by University of Nis, Yugoslavia

Enquiries concerning sale and distribution are to be addressed to the Publisher.