1. Academica Sinica (1957) On the general circulation over Eastern Asia (I). Tellus 9:432–446
2. Agnihotri CL, Singh MS (1982) Satellite study of western disturbances. Mausam 33(2):249–254
3. AIR Worldwide (2012) The impact of climate change on extra-tropical cyclones: a review of the current scientific literature.
http://www.air-worldwide.com/Publications/White-Papers/documents/The-Impact-of-Climate-Change-on-Extratropical-Cyclones---A-Review-of-the-Literature/
. Accessed on 24 Jan 2013
4. Alexander G, Srinivasan V (1974) Winter – westerly jet streams and troughs in upper westerlies. Indian Meteorological Department: forecasting manual part III
5. Attri SD, Tyagi A (2010) Climate profile of India. Meteorological monograph no environment meteorology −01/2010.
http://www.imd.gov.in/doc/climate_profile.pdf
. Accessed on 14 July 2012