1. Altman SA, Wagner SS (1978) A general model of optimal diet. In Chivers DJ, Herbert J (ed) Recent Advances in Primatology (Vol 1 ). Academic Press, London, p 407–414
2. Bailey CG, Mukerji MK (1977) Energy dynamics of Melanoplus bivittatus and M. femurrubrum in a grassland ecosystem. Can Ent 109: 605–614
3. Beal FEL (1900) Food of the bobolink, blackbirds, and grackles. Biol Surv Bull USDA #13
4. Belovsky GE (1978) Diet optimization in a generalist herbivore: the moose. Theor Pop Biol 14: 103–134
5. Belovsky GE (1981) Food plant selection by a generalist herbivore: the moose.