Flora of the U.S.S.R - Vol.XX
Shishkin, B. K.
Flora of the U.S.S.R - Vol.XX - New Delhi Israel programme for sci. Tr. / Jerusalam 1976 - 389
R581.947 / S40F
Flora of the U.S.S.R - Vol.XX - New Delhi Israel programme for sci. Tr. / Jerusalam 1976 - 389
R581.947 / S40F