Acta Technica 108. (1997-1999)
1-2. szám
ACTA TECHNICA A JOURNAL OF THE HUNGARIAN ACADEMY OF SCIENCES CENTRAL EDITORIAL BOARD T. CZIBERE, K. GÉHER, L. KOLLÁR, P. MICHELBERGER (EDITOR-IN-CHIEF), A. LÉVAI, J. PROHÁSZKA, K. REMÉNYI, J. SZABÓ, GY. KÁROLYI (MANAGING EDITOR) EDITORIAL COMMITTEE FOR CIVIL ENGINEERING (SERIES C) A. BÉNYEI, J. FARKAS, ZS. GÁSPÁR, L. KOLLÁR (CHAIRMAN), L. SOMLYÓDY Acta Technica publishes original papers, preliminary reports and reviews in English, which contribute to the advancement of engineering sciences. Acta Technica is published by AKADÉMIAI KIADÓ 11-1117 Budapest, Prielle Kornélia u. 4 www.akkrt.hu Orders should be addressed to AKADÉMIAI KIADÓ 11-1519 Budapest, P.O. Box 245 Fax: (36-1)464-8221 E-mail: kiss.s@akkrt.hu Subscription price for Volume 108 (1997-99) in 4 issues USS 156.00, including normal postage, airmail delivery US$ 20.00. Acta Technica is abstracted/indexed in Applied Mechanics Reviews, Current Contents Engineering, Technology and Applied Sciences, GeoRef Information System, Science Abstracts. © Akadémiai Kiadó, Budapest 1999 ATech 108(1997 99) 1 2