GEORGIEVA, N.; NIKOLOVA, I.; MARINOV-SERAFIMOV, P. Comparative characteristics of Lupinus albus L. and Lupinus luteus L. under allelopathic effect of Sorghum halepense L. (Pers.). Pesticides and Phytomedicine / Pesticidi i fitomedicina, v. 30, n. 1, 23 Apr. 2015.