Retief, F., and L. Cilliers. “Legumes and Disease in the Graeco-Roman World”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i> 20, no. 1 (September 28, 2001): 9-13. Accessed July 8, 2025. http://www.satnt.co.za/index.php/satnt/article/view/63.