Parthasarathy, B. A study of trend and periodicties in the reasonal and annual rainfall of India / B. Parthasarathy and O. N. Dhar - Poona : IITM , 1975 - 22 p. ; 27 cm. - Research report ; no 23 . Subjects--Topical Terms: Precipitation (Meteorology)--IndiaSunspots Dewey Class. No.: 551.5733