by DAUGAVIETIS MARIS O,SU, PINNE VIZBULITE YA,SU, GULBIS EDMUND V,SU, LUSIS ILGA A,SU
Year of Publication 30.07.1984

by DAUGAVIETIS MARIS O,SU, POLIS OYAR R,SU, KORITSA AUSMA A,SU, PINNE VIZBULITE YA,SU
Year of Publication 15.07.1983

by FEDOROVA SVETLANA P,SU, PINNE VIZBULITE YA,SU, SMIRNOVA INNA M,SU, NOVOZHILOV KAPITON V,SU, POVERINOVA OLGA YU,SU, NIKANOROVA ELENA V,SU, GULICHA AJYA YA,SU, ROSHCHIN VIKTOR I,SU
Year of Publication 30.10.1991