R. Belcheva

Karyological studies on black rat (Rattus rattus L.) from Bulgaria.

R. Belcheva, Vulko Bisserkov, 1984 .

Intersubspecific sex chromosome difference inCitellus citellus L. (Rodentia, Sciuridae)

D. Peshev, R. Belcheva, 1979, Experientia.

Chromosome C- and G-banding patterns in a bulgarian population of Microtus guentheri Danford & Alston (Microtinae, Rodentia)

D. Peshev, R. Belcheva, T. Peshev, 1984, Genetica.

Constitutive heterochromatin in the ground squirrel Citellus citellus L. (Sciuridae, Rodentia) from Bulgaria

D. Peshev, R. Belcheva, 1985 .

Radiation gynogenesis in Salmo irideus Gibb.

O. Vassileva-Dryanovska, R. Belcheva, 1965, Comptes rendus de l'Academie Bulgare des sciences : sciences mathematiques et naturelles.

Karyological studies on Lacerta vivipara (Jacq.) collected in Bulgaria

P. Petkov, H. Ilieva, V. Biserkov, 1986 .

DIFFERENT EFFECT OF LEAD ON EXTERNAL MORPHOLOGY AND POLYTENE CHROMOSOMES OF GLYPTOTENDIPES BARBIPES (STAEGER) (DIPTERA, CHIRONAMIDAE)

R. Belcheva, P. Michailova, 1990 .

Different effects of lead on external morphology and polytenechromosomes of Glyptotendipes barbipes (Staeger) (Diptera, Chironomidae)

R. Belcheva, P. Michailova, 1989 .

Localization of the Constitutive Heterochromatin in Chromosomes of Orthocladius bipunctellus Zett., 1850 and Cryptochironomus fridmanae Tshernovskij, 1949 (Diptera, Chironomidae)

R. Belcheva, P. Michailova, 1982 .