A Catalogue of Amphibia in the Collection of the Western Ghat Regional Centre Zoological Survey of India Calicut Kerala (Occasional Paper No. 339)
C. Radhakrishnan and K.P. Dinesh, Zoological Survey of India, 2013, pbk, 71 p, col. plates,, ISBN : 9788181713292, $20.00 (Includes free airmail shipping)