Birthal, P S and Parthasarathy Rao, P, eds.  (2002) Technology Options for Sustainable Livestock Production in India Proceedings of the Workshop on Documentation, Adoption, and Impact of Livestock Technologies in India ICRISAT-Patancheru, India 18–19 January 2001.    International Crops Research Institute for the Semi-Arid Tropics.  ISBN 9290664444