by MINTSCHEV PAVEL M.. ,BG, BALINOV STOIMEN S.. ,BG, CHRISTOV CHRISTOMIR D.. ,BG, JORDANOV VASSILEV N.,BG, ANGELOV MICHAIL CH.,BG, ANGELOV MICHAIL CH.. ,BG
Year of Publication 12.02.1991

by BALINOV STOIMEN S.,BG, CHRISTOV CHRISTOMIR D.,BG, JORDANOV NIKOLAJ V.,BG, MINCEV PAVEL M.,BG, ANGELOV MICHAIL CH.,BG
Year of Publication 13.06.1990

by JORDANOV,NIKOLAJ V.,BG, BALINOV,STOIMEN ST.,BG, CHRISTOV,CHRISTOMIR D.,BG, MINTSCHEV,PAVEL M.,BG
Year of Publication 29.10.1986

by JORDANOV,NIKOLAJ V.,BG, BALINOV,STOIMEN S.,BG, CHRISTOV,CHRISTOMIR D.,BG, MINTSCHEV,PAVEL M.,BG
Year of Publication 09.09.1982

by JORDANOV,NIKOLAJ V.,BG, CHRISTOV,CHRISTOMIR D.,BG, IASAROV,STOJAN R.,BG, MINTSCHEV,PAVEL M.,BG
Year of Publication 09.09.1982

by JORDANOV,NIKOLAJ V.,BG, BALINOV,STOIMEN S.,BG, CHRISTOV,CHRISTOMIR D.,BG, ANGELOV,MICHAIL C.,BG, MINTSCHEV,PAVEL M.,BG
Year of Publication 29.02.1984