S. Zhang, L. Zhang, M. Zhang, and M. Hui, “Sequence analysis of β-esterase isoenzymes related to fertility changeover in TsCMS7311 of Chinese cabbage (<i>Brassica rapa</I> L. ssp. <i>pekinensis</I>)”, ajb, vol. 9, no. 51, pp. 8833–8836, Nov. 2015.