by DAUGAVIETIS MARIS O,SU, LAZOVSKIJ ALEKSANDR ZH,SU, LUSIS ILGA A,SU
Year of Publication 23.05.1986

by DAUGAVIETIS MARIS O,SU, LAZOVSKIJ ALEKSANDR ZH,SU, KRISHYANIS RAJMOND N,SU, MOROZOV VLADIMIR B,SU
Year of Publication 15.10.1982

by DAUGAVIETIS MARIS O,SU, LAZOVSKIJ ALEKSANDR ZH,SU, ALNIS INDULIS YA,SU, IRBENIEKS YANIS R,SU, LUSIS ILGA A,SU
Year of Publication 07.12.1988

by DAUGAVIETIS MARIS O,SU, LAZOVSKIJ ALEKSANDR ZH,SU, BIRZNIEKS TALIVALDIS M,SU, IRBENIEKS YANIS R,SU, LUSIS ILGA A,SU
Year of Publication 30.12.1986

by DAUGAVIETIS MARIS O,SU, LAZOVSKIJ ALEKSANDR ZH,SU, ALNIS INDULIS YA,SU, GAVARS MARTYNSH V,SU, MOROZOV VLADIMIR B,SU
Year of Publication 07.01.1984