by VASILEV,VASIL T.,BG, UZUNOV,NIKOLAJJ JA.,BG, STOJANOVA,DUSHKA S.,BG, NAZ'ROV,ZHELJU D.,BG
Year of Publication 15.05.1989

by VASILEV,VASIL T.,BG, PEEV,TENCHO P.,BG, DEMIREV,IVAN S.,BG, NEDJALKOV,VIKTOR D.,BG, STANCHEV,KHRISTO G.,BG
Year of Publication 16.01.1989