by DIMITROV, MARIN A, KRASTEV, GEORGI K
Year of Publication 15.05.1992

by DIMITROV,MARIN A, GEORGIEV,ASEN P, IVANOV,PETO P, MINCHEV,PAVEL M
Year of Publication 15.09.1987

by DIMITROV,DIMITR A, DIMITROV,MARIN A, GEORGIEV,ASEN P, MINCHEV,PAVEL M
Year of Publication 16.09.1985

by GEORGIEV, ASSEN P, MINCHEV, PAVEL M, CHORBOV, ILIYA G, DIMITROV, MARIN A, NIKOLOV, IVAN D
Year of Publication 17.11.1981

by DIMITROV; MARIN A, NIKOLOV; IVAN D, GEORGIEV; ASSEN P, MINCHEV; PAVEL M, CHORBOV; ILIYA G
Year of Publication 07.10.1980

by DIMITROV,MARIN A, GEORGIEV,ASEN P, CHORBOV,ILIJA G, NIKOLOV,IVAN D, MINCHEV,PAVEL M, PEJJCHEV,IVAN M
Year of Publication 14.08.1987

by RASHEV,COLO V, ARSOV,RUMEN K, BIZHEV,IVAN KH, DIMITROV,MARIN A, GEORGIEV,ASEN P, PETKANCHIN,LJUBOMIR T, BIZHEV,JURI I, MANOLOV,VALENTIN K, MINCHEV,PAVEL M, KHRISTOV,AMVROSI I
Year of Publication 15.12.1987

by DIMITROV,MARIN A, CHORBOV,ILIJA G, MINCHEV,PAVEL M
Year of Publication 15.10.1982

by BONEV,STOJAN P.,BG, MINCHEV,PAVEL M.,BG, GEORGIEV,ASEN P.,BG, ARSOV,BOJAN JA.,BG, IGNATOV,NIKOLA S.,BG, PEJJCHEV,IVAN M.,BG, KR'STEV,GEORGI I.,BG, PETROV,PET'R A.,BG, DIMITROV,MARIN A.,BG
Year of Publication 15.09.1988

by DIMITROV,MARIN A, NIKOLOV,IVAN D, MINCHEV,PAVEL M
Year of Publication 12.12.1979

by ANGELOV,MIKHAIL KH, DIMITROV,MARIN A, MINCHEV,PAVEL M
Year of Publication 16.02.1981

by GEORGIEV,ASEN P, CHORBOV,ILIJA G, NIKOLOV,IVAN D, MINCHEV,PAVEL M, DIMITROV,MARIN A.,]^ JANCHEV,LJABOZAR M
Year of Publication 15.07.1982