- Abdul-Baki, A.A. and. Baker ,J.E .(1973). Seed Sci. and Technol., 1:89-125.
- Agrawal, R.L. (1996). Seed Technology. Oxford and IBH Publishing Company, New Delhi.
- Ali-khan, S.T. and Youngs, C.G. (1973). Can. J. Pl. Sci., 53:37-41.
- Bhattacharjee, A.K et al. (2000). Seed Sci. and Technol., 28:129-139.
- Bhingarde, M.T. and Dumbre. A.D. (1993). Seed Res., 21:104-106.
- Copeland, L.O. and M.B. McDonald.(1995). Principles of Seed Science and Technology, Mac millan Publishing Company. New York.
- Gomez, K.A. and A.A. Gomez.(1984). Agriculture, 41:47-56.
- Guberae, V. et al,.(1998). Seed Abstr., 21:3252.
- ISTA (1999). International Rules for Seed Testing. Seed Sci. and Technol. (Supplement Rules), 27:25-30.
- Kalavathi, D. and Ramamoorthy. K. (1992). Madras Agric. J., 79:530-532.
- Kalavathi, D. and. Vanangamudi. K (1990). Madras Agric. J., 77:39-40.
- Marshal, P.L.(1986). Amer. J. Bot., 73:457-464.
- Paul, S.R., and. Ramasamy. K.R (1979). Seed Res., 7:63-70.
- Ponnuswamy, A.S.(1973). M.Sc (Ag.) Thesis, Tamil Nadu Agricultural University, Coimbatore, India.
- Srimathi, P. et al. (2003). Legume Res., 26:208-210.
- Srimathi, P. and. Vanangamudi. K . ( 1993). Legume. Res., 16:144-146.
- Vakeswaran, V. (1998) M.Sc. (Agri) Thesis, Tamil Nadu Agric. University, Coimbatore, India.