The journal Nuclear Technology & Radiation Protection is published twice a year by the VINČA Institute of Nuclear Sciences P.O. Box 522, 11001 Belgrade, Serbia and Montenegro

The editing of the journal is supported by the Ministry of Science, Technologies, and Development and the Ministry of Natural Resources and Environmental Protection of the Republic of Serbia

All correspondances should be addressed to: Rodoljub SIMOVIĆ, Editor-in-Chief, Nuclear Technology & Radiation Protection, VINČA Institute of Nuclear Sciences, 11001 Belgrade, Serbia and Montenegro * Address: P.O. Box 522, 11001 Belgrade, Serbia and Montenegro * Phone: +381-11-45-82-22, Ext. 718, Fax: +381-11-244-74-57 * E-mail: simovicr@vin.bg.ac.yu

Layout: Vladimir Živkovic * Proofreaders: Jelena Marković, Mina Ilić and Rajka Marinković * Computer work: Sanja Denčić * Front cover design: Stojan Ćelić * Back cover design: Zoran Hadžić * Printed by: Printing office of the VINČA Institute of Nuclear Sciences, Mike Petrovića Alasa 14-16, Vinča, 11306 Belgrade, Serbia and Montenegro * Circulation: 600 copies * The subscription rate per calendar year is US$ 100, price per single volume is US$ 60

Advertisements: IV cover page US$ 500, III cover page US$ 300, 1/1 page in the journal US$200, 1/2 page in the journal US$100