by PAVLOV,DIMITR K, JJORDANOV,LJUBOMIR B, POPCHEV,KAMEN V, MAVROV,PETR G, PARASHIKOV,PETR KH, JAKIMOVA,ELENA S
Year of Publication 14.11.1986

by PAVLOV,DIMITR K, BCHVAROV,IVAN G, KHADZHIJJSKI,NIKOLA A, POPCHEV,KAMEN V, MAVROV,PETR G, KARAGOZOV,SPAS G, PARASHIKOV,PETR KH, MODEV,GORJAN S
Year of Publication 15.05.1985