Negi, S., and Vidyasagar. “Inheritance Studies of Self-Incompatibility in Low Chill Requiring Genotypes of Cabbage (Brassica Oleracea L Var. Capitata) for Boltized Flowering”. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, vol. 68, no. 02, May 2008, pp. 204-7, doi:.