by KOLAROV, MITKO P, FILIPOV, TODOR M
Year of Publication 16.10.1989

by GOCHEVA, BISTRA S, TSANKOV, LJUBOMIR D, STOJANOV, MARIN S, FILIPOV, TODOR M
Year of Publication 14.12.1990

by FILIPOV,TODOR M, KOLAROV,MITKO P, MUSAKOV,KAMEN K, MOMERIN,KHRISTO A
Year of Publication 15.03.1985

by FILIPOV,TODOR M.,BG, KIS'OV,VESELIN D.,BG, KOLAROV,MITKO P.,BG
Year of Publication 15.04.1988

by FILIPOV,TODOR M.,BG, KIS'OV,VESELIN D.,BG, KOLAROV,MITKO P.,BG
Year of Publication 15.04.1988

by FILIPOV,TODOR M, KOLAROV,MITKO P, MOMERIN,KHRISTO A
Year of Publication 15.12.1982

by KISOV,VESELIN D, FILIPOV,TODOR M, KOLAROV,MITKO P
Year of Publication 12.04.1978

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Year of Publication 15.04.1988