by PETKANCHIN, LJUBOMIR T
Year of Publication 30.07.2004

by PETKANCHIN, LJUBOMIR T
Year of Publication 31.01.2002

by PETKANCHIN, LJUBOMIR T
Year of Publication 30.11.2000

by RASHEV,COLO V, PETKANCHIN,LJUBOMIR T, POPOV,IVAJJLO D
Year of Publication 15.12.1987

by BALEVSKI, ANGEL T, ARSOV, JANKO B, PETKANCHIN, LJUBOMIR T, PEJCHEV, IVAN M
Year of Publication 30.09.1996

by IVANOV,IVAN K, PETKANCHIN,LJUBOMIR T, SPASOV,SPAS I
Year of Publication 15.03.1985

by KHRISTEMOV, DIMITAR M, BUDUROV, STOJAN J, BONEV, PETAR B, PETKANCHIN, LJUBOMIR T, PEJCHEV, IVAN M
Year of Publication 15.01.1991

by GEORGIEV,BOJAN A, PETKANCHIN,LJUBOMIR T, SPASOV,SPAS I, ZLATKOV,KHRISTOFOR M
Year of Publication 15.09.1987

by MIKHOVSKI,MITKO M, MANOLOVA,VALENTINA A, PUSHEV,GEORGI I, MARINOV,MIKHAIL C, PETKANCHIN,LJUBOMIR T, KOSTOV,GEORGI T
Year of Publication 14.06.1985

by ZHEKOV, KRASIMIR ZH, DOBREV, STEFAN I, RASHEVA, IVANKA A, RASHEV, TSOLO V, ANDREEV, CHAVDAR A, LATASH, JURIJ V, PETKANCHIN, LJUBOMIR T, NIKOLOV, IVAN D
Year of Publication 16.04.1990

by PEJJCHEV,IVAN M.,BG, SEMERDZHIEV,NIKOLAJJ L.,BG, PETKANCHIN,LJUBOMIR T.,BG, ZIDAROV,DIMIT'R L.,BG
Year of Publication 15.02.1989

by IGNATOV,NIKOLA S.,BG, SEMERDZHIEV,NIKOLAJJ L.,BG, PETKANCHIN,LJUBOMIR T.,BG, ZIDAROV,DIMIT'R L.,BG
Year of Publication 15.12.1988

by PETKANCHIN,LJUBOMIR T.,BG, STOICHKOVA,KALINA E.,BG, GEORGIEV,BOJAN A.,BG, ZLATKOV,KHRISTOFOR M.,BG
Year of Publication 16.05.1988

by RASHEV,COLO V, DOBREV,STEFAN I, PETKANCHIN,LJUBOMIR T, ANDREEV,NIKOLA P, BONEV,STOJAN P, NIKOLOV,IVAN D, POPOV,IVAJJLO D, SAVOV,GEORGI D, PEJJCHEV,IVAN M
Year of Publication 16.12.1985

by STOJANOV,STANIMIR G, MANOLOVA,VALENTINA A, PUSHEV,GEORGI I, MARINOV,MIKHAIL C, PETKANCHIN,LJUBOMIR T, KOSTOV,GEORGI T, BALEVSKI,TEODOR A, DIMOV,STEFAN S
Year of Publication 15.04.1985

by RASHEV,COLO V.,BG, PETKANCHIN,LJUBOMIR T.,BG, ANDREEV,NIKOLA P.,BG, LAZAROV,NIKOLAJJ D.,BG, POPOV,IVAJJLO D.,BG
Year of Publication 15.02.1989

by RASHEV,COLO V.,BG, SAR'IVANOV,LJUBOMIR A.,BG, KHRISTOV,KHRISTO I.,BG, GEORGIEV,RAJJKO B.,BG, PETKANCHIN,LJUBOMIR T.,BG, DOBREV,STEFAN I.,BG
Year of Publication 15.12.1988

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 BALEVSKI, ANGEL T, ARSOV, JANKO B, PETKANCHIN, LJUBOMIR T, PEJCHEV, IVAN M
Year of Publication 27.02.1998

by VASILEVA,LILJANA R, MARINOV,MARIN I, PETKANCHIN,LJUBOMIR T
Year of Publication 15.07.1983