Singh, Jai Pal; Khan, Mumtaz (1999). "Hindu Cosmology and the Orientation and Segregation of Social Groups in Villages in Northwestern India". Geografiska Annaler. B (Human Geography) (Wiley on behalf of the Swedish Society for Anthropology and Geography) 81 (1): 27–28. doi:10.1111/j.0435-3684.1999.00046.x.(subscription required)