P. David, I. Agarwal, R. Athreya, R. Mathew, G. Vogel, and V. K. Mistry, “Revalidation of Natrix clerki Wall, 1925, an overlooked species in the genus Amphiesma Duméril, Bibron & Duméril, 1854 (Squamata: Natricidae)”, Zootaxa, vol. 3919, no. 2, pp. 375–395, Feb. 2015.