Singh, Lala A. K., and H. R. Bustard. “Studies on the Indian Gharial (<I>Gavialis gangeticus< I> Gmelin) (Reptilia, Crocodilia) V: Preliminary Observations on Maternal Behaviour”. Indian Forester, vol. 103, no. 10, Oct. 1977, pp. 671-8, doi:10.36808/if/1977/v103i10/11814.