by PAUNOV, STOJKO P, MARKOV, LJUBEN I, GEORGIEV, GEORGI A, TENEV, PETAR S, KISAOV, VESELIN D, SHISHKOV, PETAR A, SIMEONOV, LJUBOMIR KH, BONCHEV, PAVEL P, ALEKSIEV, ALEKSI P, STOJANOV, IVAN V, KALCHEV, STOJAN V, MILEV, KHRISTO S
Year of Publication 15.10.1991

by MILEV,KHRISTO S, BONCHEV,PAVEL P, ANDONOVA,CVETANKA K, IVANOVA,KATJA G, BUROV,PETKO K, KOLENCOV,JANKO A, ROMANOV,DOBROMIR R, ATANASOV,LJUBEN P, KOEN,ELIEZER KH
Year of Publication 16.06.1986