1. Alvi, S. M. A., Koteswaram, P., 1985: Time series analysis of annual rainfall over India.Mausam 36, 479?490.
2. Chowdhury, A., Mhasawade, S. V., 1991: Variations in Meteorological floods during summer monsoon over India.Mausam 42, 167?170.
3. Drosdowsky, W., 1990: A simple index of the second POP component of Southern Oscillation.Trop. Ocean-Atmos. Newsl. (TOAN) 54, 13?15.
4. Gregory, S., 1989: Macro-Regional definition and characteristics of Indian summer monsoon rainfall: 1871?1985.Int. J. Climatol. 9, 465?483.
5. Hastenrath, S., 1991:Climate Dynamics of the Tropics. Dordrecht, Netherlands: Kluwer Academic Publications.