[1]
G. C. CORNEANU, M. POPESCU, A. SITORIS, V. D. SIMEANU, and G. POPESCU, “Researches concerning the biology of the Nigella L. species (Fam. Ranunculaceae) from Romania”, Not Bot Horti Agrobo, vol. 16, no. 1, pp. 151-163, Aug. 1986.