by KAJJNAKCHIEV,NIKOLA I, TIMOFEEV,BORIS A
Year of Publication 14.08.1987

by KAJJNAKCHIEV,NIKOLA I, CENKOV,NIKOLA D
Year of Publication 16.07.1984

by KAJJNAKCHIEV,NIKOLA I, CENKOV,NIKOLA D, PETROV,NIKOLAJJ G
Year of Publication 15.07.1987

by GETOV,IVAN V, KAJJNAKCHIEV,NIKOLA I, CENKOV,NIKOLA D
Year of Publication 15.05.1985

by KAJJNAKCHIEV,NIKOLA I, CENKOV,NIKOLA D, TRIFONOV,TODOR K, GMZOV,NIKOLAJJ KH
Year of Publication 15.05.1985

by GETOV,IVAN V, KAJJNAKCHIEV,NIKOLA I, CENKOV,NIKOLA D, GMZOV,NIKOLAJJ KH
Year of Publication 15.05.1985

by KAJJNAKCHIEV,NIKOLA I.,BG, BORISOV,ALEKSAND'R K.,BG, STEFANOV,STEFAN I.,BG, RUSEV,ATANAS B.,BG, PETROV,NIKOLAJJ G.,BG
Year of Publication 16.05.1988

by GETOV,IVAN V, TIMOFEEV,BORIS A, KAJJNAKCHIEV,NIKOLA I, MIKOTIN,EVGENIJJ E, GRISHIN,EVGENIJJ K, TONCHEV,KNCHO I, TARASOV,IVAN KH, NIKOLOV,IVAN D, TRIFONOV,TODOR K, GMZOV,NIKOLAJJ KH, KRJUCHATOV,VALERIJJ A, BONCHEV,STILJAN B
Year of Publication 14.08.1987

by FLOROV,KIRIL R, DRAGANOV,KRSTJU G, STEFANOV,STEFAN I, TRIFONOV,TODOR K, GETOV,IVAN V, ANGELOV,PETKO I, KAJJNAKCHIEV,NIKOLA I, CENKOV,NIKOLA D, VASILEV,IVAN V, KOZHUKHAROV,VASIL V, ENCHEV,IVAN T, JJORDANOV,MILKO I, ALEKSANDROV,ALEKSANDR D
Year of Publication 15.06.1987

by BURAKOV,SAVELIJJ L, GETOV,IVAN V, JANCHENKO,VLADIMIR N, NIKIFOROV,TODOR I, KAJJNAKCHIEV,NIKOLA I, MIKOTIN,EVGENIJJ E, GRISHIN,EVGENIJJ K, TARASOV,IVAN KH, KRJUCHATOV,VALERIJJ A
Year of Publication 16.07.1985

by KAJJNAKCHIEV,NIKOLA I.,BG, BONCHEV,STILJAN B.,BG, DRAGANOV,KR'STJU G.,BG, STEFANOV,STEFAN I.,BG, POPOV,KRISTIJAN R.,BG, ALEKSANDROV,ALEKSAND'R D.,BG, G'MZOV,NIKOLAJJ KH.,BG, CENKOV,NIKOLA D.,BG
Year of Publication 15.03.1989

by KAJJNAKCHIEV,NIKOLA I.,BG, DRAGANOV,KR'STJU G.,BG, STEFANOV,STEFAN I.,BG, POPOV,KRISTIJAN R.,BG, ALEKSANDROV,ALEKSAND'R D.,BG, BONCHEV,STILIJAN B.,BG, G'MZOV,NIKOLAJJ KH.,BG, CENKOV,NIKOLA D.,BG
Year of Publication 15.02.1989

by TIMOFEEV,BORIS A, CHERDYNCEV,VLADIMIR N, VAVILOV,IGOR S, MIKOTIN,EVGENIJJ E, TRIFONOV,TODOR K, GMZOV,NIKOLAJJ KH, SNEZHNOJJ,ROSTISLAV L, BURANOV,SAVELIJJ L, BONCHEV,STILJAN B, GETOV,IVAN V, KAJJNAKCHIEV,NIKOLA I, TONCHEV,KNCHO I, SHEVCHENKO,VLADIMIR P, NIKOLOV,IVAN D
Year of Publication 15.05.1985

by TONCHEV,KNCHO I., BG, KAJJNAKCHIEV,NIKOLA I, ALEKSANDROV ALEKSANDR D, STEFANOV,STEFAN I
Year of Publication 15.10.1980