by DIMITROVA,MARIJA A, STOJANOV,DOBRIN S
Year of Publication 14.11.1980

by DIMITROVA, MARIJA A, ARSOV, EMIL S, KOLEVA, SVETLA P, SABEV, SABI S, RASHEVA, IVANKA A, RASHEV, TSOLO V, SKRYNCHENKO, JURIJ M, PARSHOROV, IVAN M, KOSEV, DANAIL K, POLITAEV, JURIJ M
Year of Publication 15.05.1991

by LAZAROV, NIKOLAJ D, SKRYCHENKO, JURIJ M, RASHEVA, IVANKA A, DIMITROVA, MARIJA A, KOVACHEV, EMIL I, STOEV, PAVEL N, ZHIRKOV, KIRIL G, KOVAROV, GARBIS A, STOJCHEV, TODOR V, RASHEV, TSOLO V, KUZMANOV, TODOR K, NENOVA, FILKA K, POLITAEV, JURIJ M
Year of Publication 15.01.1991

by DIMITROVA,MARIJA A, NEDJALKOV,MILCZO P, ANGELOV,GEORGI N, ASTINOV,SLAVCZO T, TASEV,TONI G, METOD I USTRO.ISTVO ZA POLUCZAVANEFURAZHNA SMESKA SS ZRNESTA STRUKTURA
Year of Publication 12.05.1978

by DIMITROVA,MARIJA A, NEDJALKOV,MILCZO P, ANGELOV,GEORGI N, ASTINOV,SLAVCZO T, TASEV,TONI G
Year of Publication 12.05.1978