by Kozovska, V, Zheleva, A
Published in Planta medica (1980)

by Kuzmanov, B, Andreev, N, Kozovska, V
Published in Anales del Jardín Botánico de Madrid (1979) (01.03.1981)

by Kuzmanov, B, Andreev, N, Kozovska, V
Published in OPTIMA : proceedings of the third meeting = Comptes-rendus do troisieme colloque, Madrid, 8-13-IX-1980 (1980)