by MINCHEV,VESELIN G, RIBAREVA,JJORDANKA P, RIBAREVA,BORJANA B, KIRILOV,KIRIL L, RIBAREV,BOZHIDAR P
Year of Publication 15.09.1987

by MINCHEV,VESELIN G, PETROV,SAVKO T, RIBAREVA,JJORDANKA P, KIRILOV,KIRIL L, RIBAREV,BOZHIDAR P
Year of Publication 15.07.1986

by RIBAREVA, BORJANA B, RIBAREVA, JORDANKA P, RIBAREV, BOZHIDAR P, MINCHEV, VESELIN G, KIRILOV, KIRIL L, POPOV, KHRISTO D
Year of Publication 15.04.1992

by POPOV,KHRISTO D, MINCHEV,VESELIN G, PETROV,SAVKO T, RIBAREVA,JJORDANKA P, KIRILOV,KIRIL L, RIBAREVA,BORJANA B, RIBAREV,BOZHIDAR P
Year of Publication 14.08.1987

by ENCHEVA,MILKA A, DOBREVA,EKATERINA D, TRENDAFILOV,ARKADIJJ T, RADEV,SIMEON G, MINCHEV,VESELIN G, BOSEVSKI,VALENTIN M, KIREV,SIMEON I, KARADACHKI,IVAN S
Year of Publication 14.11.1986

by POPOV,KHRISTO D, MINCHEV,VESELIN G, PETROV,SAVKO T, RIBAREVA,JJORDANKA P, KIRILOV,KIRIL L, RIBAREVA,BORJANA B, RIBAREV,BOZHIDAR P
Year of Publication 15.10.1986

by LOZANOV, LOZAN A, TONCHEV, MILE I, MLADENOV, IVAN S, GEORGIEV, GEORGI N, SPASOV, ALEKSANDAR S, MITSOVA, POLIKSENA D, TOPALOV, VALERI I, MINCHEV, VESELIN G, VLAKHOV, KONSTANTIN A, PRODANOV, PRODAN P, TRIFONOV, KIRIL J, TSVETKOVA, PENA K, TSVETKOV, ANGEL R
Year of Publication 15.12.1989

by KIROV,SIMEON I, MINCHEV,VESELIN G, DOBREVA,SIMEONKA L
Year of Publication 16.08.1982

by MINCHEV VESELIN GEORGIEV,BG, RIBAREVA JORDANKA PENCHEVA,BG, KIRILOV KIRIL LYUBENOV,BG, RIBAREVA BORYANA BOZHIDAROVA,BG, PETROV SAVKO TANEV,BG, POPOV KHRISTO DIMITROV,BG, RIBAREV BOZHIDAR PENCHEV,BG
Year of Publication 15.05.1990