Ramachandran, K.K. and Joseph, G.K. 2001. Feeding Ecology of Nilgiri Langur (<I>Trachypithecus johnii</I>) in Silent Valley National Park, Kerala, India. Indian Forester. 127, 10 (Oct. 2001), 1155–1164. DOI:https://doi.org/10.36808/if/2001/v127i10/3070.