by PRODANOV, KHRISTO J, PANAJOTOV, VELISLAV J, IVANOV, IVAN TS
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by ARNAUDOV, ROSEN R, CHOLAKOV, KANCHO A, ARNAUDOV, RUMEN I, IVANOV, IVAN TS
Year of Publication 29.01.1999

by ARNAUDOV, ROSEN R, CHOLAKOV, KANCHO A, ARNAUDOV, RUMEN I, IVANOV, IVAN TS
Year of Publication 31.07.1998

by ANGELOV, ANGEL M, PLATIKANOV, STOJO K, PLATIKANOVA, DORA S, ARNAUDOV, RUMEN I, SERAFIMOV, NIKOLA S, IVANOVA, SIMEONKA R, IVANOV, IVAN TS, KHRISTOV, MARIN KH
Year of Publication 15.11.1990

by MLADENOVA, VENETA N, TSENKOV, STOJAN B, STANEV, VESELIN G, NEJNSKA, LIDKA N, DZHABARSKI, IVAN N, BELEVSKA, JORDANKA M, PETROV, PETAR D, IVANOV, IVAN TS, CHAKAROV, PETAR A, KHARIZANOV, ILIJAN KH, MIKHAJLOVA, RUMJANA D, SOLOMONOV, KHAIM M, STAJKOV, ANTON M, PETKOV, IVAN S, KRIVOSHIEVA, IVANKA G, STOJANOV, ANGEL S, POPOV, STOJADIN N, PETROVA, RAJNA P, KHINKOVSKI, TSENO S, NEDELCHEV, DESIMIR N, PANAJOTOV, VASIL D
Year of Publication 15.10.1992

by MARINOV, JORDAN N, POPOV, GEORGI I, JOVKOV, JOVKO N, RALCHEV, GEORGI K, MIKHAJLOV, MIKHAJL S, PENKOV, STOJAN B, BOSHNAKOV, IVAN Z, PETROV, PETAR D, IVANOV, IVAN TS, NIKOLOV, NIKOLA S, TJANKOV, SVETOZAR P, GOGOV, GOGO K, MLADENOV, STOJAN J, RUSEVA, STOJANKA D, MIKHOVSKI, MAVRODIJA M, FILIPOV, VASIL G, DIMITRANOV, KOSTADIN I, KIROV, KIRO N, KARADZHOV, KHRISTO I, POPOV, ANASTAS D, STOENCHEV, IVAN M, PANAJOTOV, VASIL D, BASHEV, RUMEN R
Year of Publication 15.10.1992