NEAMTU, G., and F. IRIMIE. “New Natural Carotenoid Sources I. Carotenoid Pigments of Medicago Sativa L.”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 17, no. 1, Aug. 1987, pp. 93-98, doi:10.15835/nbha171240.