1. Ahlquist J, Devaras A and Carlo T 1990 Intraseasonal monsoon fluctuations seen through 25 years of Indian radiosonde observations;Mausam 41 273–278
2. Dakshinamurti J and Keshavamurthy R N 1976 On oscillations of period around one month in the Indian summer monsoon;Indian J. Meteorol. Geophys. 27 201–203
3. Ferranti L, Slingo J M, Palmer T N and Hoskins B J 1997 Relations between interannual and intraseasonal monsoon variability as diagnosed from AMIP integration;Q. J. R. Meteorol. Soc. 123 1323–1357
4. Gadgil S 1988 Recent advances in Indian monsoon research with particular reference to Indian monsoon;Australia Meteorol. Mag. 36 193–205
5. Goswami B N 1994 Dynamical predictability of seasonal monsoon rainfall. Problems and prospects;Proc. Indian Natl. Sci. Acad. 60A 101–120