SZENT ISTVAN UNIVERSITY Jozsef Remenyi H-2103 Godollo,Pater K.u.1 H-2146 Mogyorod, Godolloi u.112 ph/fax:28-522000/28-410804 ph/hline: 28-440626, 20-3293369 email: godollo at zeus.gau.hu email: remenyi at linserv.abc.hu