1. Glaszmann, J.C., 1986. Varietal classification of rice based on isozyme polymorphism-focus on U.S. rices. In Proceedings of the 21st Rice Technical Working Group Meeting, Texas A & M University, U.S.A.
2. Glaszmann J.C., 1987. Isozymes and classification of Asian rice varieties. Theor. Appl. Genet. 74: 21–30.
3. Irri, 1986. Biochemical markers. In: IRRI Annual Report for 1985. pp. 155–158. International Rice Research Institute, Los Baños, Philippines.
4. Kato S., H. Kosaka & S. Hara, 1928. On the affinity of rice varieties as shown by the fertility of rice plants Oryza sativa L. Dept. Agric. Kyushu Improvement Univ. 2(9): 241–276.
5. Kaw R.N. & G.S. Khush, 1985. Combining ability for lowtemperature tolerance in rice. pp. 593–612. In: Rice geneics, International Rice Research Institute, P.O. 933, Manila, Philippines.