Attributes / relations provided by
♦ ¹Food Selection by the South Indian Leaf-Monkey, Presbytis johnii, in Relation to Leaf Chemistry, John F, Oates, Peter G. Waterman and Gillian M. Choo, Oecologia (Berl.) 45, 45-56 (1980)
♦ ²IDENTIFYING DIURNAL AND NOCTURNAL FRUGIVORES IN THE TERRESTRIAL AND ARBOREAL LAYERS OF A TROPICAL RAIN FOREST IN SRI LANKA, Palitha Jayasekara, Udayani Rose Weerasinghe, Siril Wijesundara & Seiki Takatsuki, ECOTROPICA 13: 7–15, 2007