by TUMBEV,PETR I, ATANASOVA,MILICA T, MITKOVA,ALEKSANDRA G, MOMERIN,KHRISTO A, DIMITROV,IVAN D
Year of Publication 15.04.1986

by PAUNOV, STOJKO P, TUMBEV, PETAR I, KORLADINOV, SIMEON J, KARTALOV, GEORGI P, DIMITROV, IVAN D, MOMERIN, KHRISTO A
Year of Publication 15.01.1991

by DANISH, STEFAN A, KUKOV, DIMITAR S, DIMITROV, IVAN D, PLATNAROV, GANCHO B, BRUKOV, PETAR N, NALBANTOV, DIMITAR G
Year of Publication 15.11.1989

by UZUNOV,JJORDAN K, UZUNOV,HHERJU M, GEORGIEV,ZLATKO L, UZUNOV,ILIJA S, DIMITROV,IVAN D, PLATNAROV,GANCHO B
Year of Publication 15.12.1987

by DIMITROV,IVAN D.,BG, TUMBEV,PETR I.,BG, MOMERIN,CHRISTO A.,BG
Year of Publication 15.08.1985

by DIMITROV,IVAN D.,BG, PLATNAROV,GANCHO B.,BG, DANISH,STEFAN A.,BG, HHEREV,KIRIL S.,BG
Year of Publication 15.05.1989

by DIMITROV,IVAN D.,BG, TERZIEV,SPAS N.,BG, DANISH,STEFAN A.,BG, HHEREV,KIRIL S.,BG
Year of Publication 14.10.1988

by KALCHEV,STOJAN V, TUMBEV,PETR I, PASHAMOV,PETKO G, KOLEV,KONSTANTIN G, KARTALOV,GEORGI P, MOMERIN,KHRISTO A, DIMITROV,IVAN D, GUZGUNOV,ANTON G
Year of Publication 15.08.1986

by DONCHEV,DONCHO I.,BG, DIMITROV,IVAN D.,BG, DJAKONOV,PAVEL M.,BG, BAKALOV,NIKOLAJJ N.,BG, KOVACHEV,STANISLAV D.,BG
Year of Publication 15.02.1989

by DIMITROV,IVAN D.,BG, GANEV,GANCHO M.,BG, SAVOV,KRASIMIR A.,BG, ATANASOV,PET'R P.,BG, ATANASOV,PET'R A.,BG, ILIEV,BOJAN K.,BG
Year of Publication 15.03.1988

by TUMBEV,PETR I, MOMERIN,KHRISTO A, DIMITROV,IVAN D
Year of Publication 15.04.1983

by TUMBEV,PETR I, MOMERIN,KHRISTO A, DIMITROV,IVAN D
Year of Publication 15.02.1982

by TUMBEV,PETR I, MOMERIN,KHRISTO A, DIMITROV,IVAN D
Year of Publication 12.12.1979

by GEORGIEV,ILIJA M, CHRUSANOV,STEFAN S, DIMITROV,IVAN D
Year of Publication 10.01.1978

by TUMBEV,PETR I, MOMERIN,KHRISTO A, DIMITROV,IVAN D, TUMBEVA,SOFKA I
Year of Publication 15.09.1982

by MILOTEV,BLAGO.I G, JURUKOV,PETR N, KADIEV,KIRIL D, DIMITROV,IVAN D, ALKALA.I,AVRAM.I
Year of Publication 15.06.1978

by DIMITROV,IVAN D.,BG, TUMBEV,PETER I.,BG, MOMERIN,CHRISTO A.,BG
Year of Publication 27.02.1985

by DIMITROV,IVAN D.,BG, TUMBEV,PETER I.,BG, MOMERIN,CHRISTO A.,BG
Year of Publication 17.08.1982