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Guo, Z. h., H. b. Ge, X. l. Wang & J. h. Yan. 1996. Analysis of karyotypes and the taxonomic relationships among some species of Amygdalus L. Acta Hort. Sin. 23(3): 223–226.
Baird WV, Estager AS, Wells JK. 1994. Estimating nuclear DNA content in Peach and related diploid species using laser flow cytometry and DNA hybridization. Journal of the American Society for Horticultural Science 119: 1312-1316.