Affiliation: | (1) Nuclear Power Plants Research Institute, Okru ná 5, 918 64 Trnava, (Czechoslovakia);(2) Department of Nuclear Chemistry, Comenius University, Bratislava, (Czechoslovakia);(3) Present address: Department of Environment of Environs of Trnava, Kollárová 8, 917 77 Trnava, Czechoslovakia |