by KOLENCOV,KRUM M
Year of Publication 15.04.1985

by KOLENCOV,KRUM M
Year of Publication 15.02.1985

by KOLENCOV,KRUM M
Year of Publication 15.08.1984

by JURUKOVA,LILJANA S, KOLENCOV,KRUM M
Year of Publication 14.03.1987

by BALCHEV,NIKOLAJJ A, KOLENCOV,KRUM M
Year of Publication 15.01.1985

by PAKEVA,SVETLA V, KOLENCOV,KRUM M
Year of Publication 15.06.1984

by KOCHEV,KONSTANTIN D, IVANOVA,KATJA I, KOLENCOV,KRUM M
Year of Publication 15.07.1986

by BALCHEV,NIKOLAJJ A, BATEV,PETKO M, KOLENCOV,KRUM M
Year of Publication 15.02.1985

by INDZHOVA,ULJANA A, SANDREV,IVAN D, NIKOLOV,JJORDAN N, BALCHEV,NIKOLAJJ A, KOLENCOV,KRUM M
Year of Publication 15.10.1985

by KOSTOV,PAVEL D, BALCHEV,NIKOLAJJ A, RACHEVA,TODORA M, KOLENCOV,KRUM M
Year of Publication 15.03.1985

by BALABANOV,STEFAN K, KOLENCOV,KRUM M
Year of Publication 15.10.1980

by NIKIFOROVA,MARIJA S, BALCHEV,NIKOLAJJ A, KOLENCOV,KRUM M
Year of Publication 15.09.1981

by BALABANOV,STEFAN K, BALCHEV,NIKOLAJJ A, KOLENCOV,KRUM M
Year of Publication 15.07.1981

by RACHEVA,TEODORA M, NIKIFOROVA,MARIJA S, BALCHEV,NIKOLAJJ A, TODOROV,PETR G, KOLENCOV,KRUM M
Year of Publication 15.11.1983

by PETROV,SVETOZAR M, FARKHI- VATEVA, ELENA M, BALCHEV,NIKOLAJJ A, KOLENCOV,KRUM M
Year of Publication 15.07.1981

by BACHEV,NIKOLAJJ A, PETROV,SVETOZAR M, FARIKH- VATEVA,ELENA M., BG, KOLENCOV,KRUM M
Year of Publication 15.06.1981

by FARKHI- VATEVA,ELENA M, PETROV,SVETOZAR M, NIKIFOROVA,MARIJA S, BALCHEV,NIKOLAJJ A, KOLENCOV,KRUM M
Year of Publication 16.03.1981