by SHUR NATALIYA F,SU, STENISHCHEVA LYUBOV M,SU
Year of Publication 28.01.1980

by SHKRETOV YURIJ P,SU, SHUR NATALIYA F,SU
Year of Publication 25.07.1978

by SHKRETOV YURIJ P,SU, POTEKHIN ANATOLIJ M,SU, SPIRIDONOV EVGENIJ T,SU, SHUR NATALIYA F,SU
Year of Publication 15.11.1979