E. A. Kamel, A. Arminian, and S. Houshmand, “Karyomorphological and Morphometric Studies of Ploidy Levels in Some Wheat (Triticum aestivum L.) Genotypes: Karyomorphological Studies of Wheat”, Pakistan Journal of Scientific & Industrial Research, vol. 52, no. 4, pp. 200–207, Aug. 2009.