Yang, B., D. Qiu, and C. F. Quiros. 2010. “Variation of Five Major Glucosinolate Genes in Brassica Rapa in Relation to Brassica Oleracea and Arabidopsis Thaliana”. Spanish Journal of Agricultural Research 8 (3), 662-71. https://doi.org/10.5424/sjar/2010083-1263.