by Kr''stanov K
Published in Gorskostopanska Nauka (1976)

by Kr"stanov K
Published in Gorsko Stopanstvo (1978)

by Kr"stanov, K
Published in Gorsko Stopanstvo (Bulgaria) (1978)

by Kr''stanov K, Belyakov P, Shikov K
Published in Gorskostopanska Nauka (1976)

by Kr"stanov, K. (Institut za Gorata, Sofia (Bulgaria))
Published in Gorskostopanska Nauka (Bulgaria) (1978)

by Dukhovnikov Yu, Iliev A, Kr"stanov K, Belyakov P, Rashkov R, Miloslavov S
Published in Gorsko Stopanstvo (1978)

by Kr"stanov, K, Belyakov, P, Shikov, K. (Institut za Gorata, Sofia (Bulgaria))
Published in Gorskostopanska Nauka (Bulgaria) (1976)

by GEROV,ANDON P.,BG, ZHEKOV,PET"R KH.,BG, IGNATOV,IGNAT P.,BG, VASILEV,KIRIL P.,BG, NIKOLOV,KALJU A.,BG, KARABALIEV,IVAN R.,BG, HREPCHEV,KHRISTO M.,BG, KR"STANOV,KHRISTO V.,BG, MILUSHEV,JJORDAN M.,BG, SUSANIN,GEORGI L.,BG, TODOROV,DOCHO D.,BG, DZHAKOV,NIKOLA D.,BG, STOJANOV,STOJJNE N.,BG
Year of Publication 14.05.1982