Praschag, P.; Holloway, R.; Georges, A.; Päckert, M.; Hundsdörfer, A. K.; Fritz, U. A New Subspecies of Batagur Affinis (Cantor, 1847), One of the world’s Most Critically Endangered Chelonians (Testudines: Geoemydidae). Zootaxa 2009, 2233, 57–68.