1. Ahn, C. S. & Hartmann, R. W., 1978. Interspecific hybridization among four species of the genus Vigna Savi. In: Int. Mungbean Symp. I. Asian Vegetable Res. and Dev. Center, Taiwan: pp. 240?246.
2. Ayonoadu, U. W. U., 1974. Nuclear DNA variation in Phaseolus. Chromosoma 48: 41?49.
3. Bajaj, Y. P. S. & Gosal, S. S., 1982. Induction of genetic variability in grain legumes through tissue culture. In: A. N.Rao (ed.), Tissue Culture of Economically Important Plants. National Univ, Singapore: pp. 25?41.
4. Baudoin, J. P. & Marechal, R., 1988. Taxonomy and evolution in genus Vigna, In: Int. Mung bean Symp. II. Asian vegetable Res. and Dev. Center. Taiwan pp. 1?12.
5. Biswas, M. R. & Dana, S., 1975. Blackgram x Rice bean cross. Cytologia 40: 787?795.