B. Khalid, S. Hamid, L. Liaqat, and J. I. Khan, “Seed Oils of Pakistani Wild species of Umbelliferae Family: Ducrosia anethifolia, Bunium persicum, Bunium cylindricum and Ammi majus;  as Potential Industrial Raw Material: Seed Oils of Umbelliferae”, Pakistan Journal of Scientific & Industrial Research, vol. 52, no. 5, pp. 260–263, Oct. 2009.