Sharma, Narender. “Population Status and Male Genitalia of <I>Patala yama< I> (Moore) (Insecta : Lepidoptera : Satyridae)”. Records of the Zoological Survey of India, vol. 108, no. 3, Sept. 2008, pp. 81-84, doi:10.26515/rzsi/v108/i3/2008/159047.