Sen, Nibedita, and Rosamma Mathew. “Notes on a Rare Frog, <i>Pterorana khare< I> Kiyasetuo and Khare 1986, from North East India, With Report on Its Hitherto Unknown Female”. Records of the Zoological Survey of India, vol. 106, no. 2, June 2006, pp. 121-2, doi:10.26515/rzsi/v106/i2/2006/159208.