Michael Bamshad, Toomas Kivisild, W. Scott Watkins, Mary E. Dixon, Chris E.
Ricker, Baskara B. Rao, J. Mastan Naidu, B.V. Ravi Prasad, P. Govinda Reddy,
Arani Rasanayagam, Surinder S. Papiha, Richard Villems, Alan J. Redd, Michael F.
Hammer, Son V. Nguyen, Marion L. Carroll, Mark A. Batzer, and Lynn B. Jorde
Genetic Evidence on the Origins of Indian Caste Populations
Genome Research June 2001 Volume 11, Issue 6 pp. 994-1004