Xu, Y., W. Zhang, G. Chen, and J. Wang. “DNA Methylation Alteration Is a Major Consequence of Genome Doubling in Autotetraploid Brassica Rapa”. Archives of Biological Sciences, vol. 69, no. 4, Oct. 2017, pp. 689-97, https://www.serbiosoc.org.rs/arch/index.php/abs/article/view/1431.