by STANIMIROV,BORIS I.,BG, KAMENOV,SALTIR G.,BG, INDJOVA,MARIANA N.,BG, ISTATKOV,NIKOLAJ S.,BG, VASSILEV,ROSSEN P.,BG, KISSJOVA,DIANA T.,BG
Year of Publication 29.08.1988

by STANIMIROV,BORIS I.,BG, VASILEV,ROSEN P.,BG, KAMENOV,SALTIR G.,BG, INDZOVA,MARIANA N.,BG, ISTATKOV,NIKOLAJ S.,BG, KISOVA,DIANA T.,BG
Year of Publication 15.01.1988

by INDZOVA MARIANA N. ,BG, KAMENOV SALTIR G. ,BG, KISOVA DIANA T. ,BG, STANIMIROV BORIS I. ,BG, ISTATKOV NIKOLAJ S. ,BG, VASILEV ROSEN P. ,BG
Year of Publication 11.06.1987

by KAMENOV,SALTIR G.,BG, INDJOVA,MARIANA N.,BG, ISTATKOV,NIKOLAJ S.,BG, STANIMIROV,BOROS I.,BG, VASSILEV,ROSSEN P.,BG, KISSJOVA,DIANA T.,BG
Year of Publication 29.07.1985

by STANIMIROV,BORIS I.,BG, KAMENOV,SALTIR G.,BG, INDJOVA,MARIANA N.,BG, ISTATKOV,NIKOLAJ S.,BG, VASSILEV,ROSSEN P.,BG, KISSJOVA,DIANA T.,BG
Year of Publication 02.03.1988

by BORIS IVANOV STANIMIROV,BG, DIANA TODOROVA KISOVA,BG, NIKOLAJ STANKOV ISTATKOV,BG, SALTIR GEORGIEV KAMENOV,BG, ROSEN PRETROV VASILEV,BG, MARIANA NIKOLOVA INDZHOVA,BG
Year of Publication 23.10.1988