Maplestone, P. A. “Parasitic Nematodes Obtained from Animals Dying in the Calcutta Zoological Gardens. Part I. Nematodes from the Gharial”. Records of the Zoological Survey of India, vol. 32, no. 4, Nov. 1930, pp. 385-94, doi:10.26515/rzsi/v32/i4/1930/162512.