http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
On the Volterra and other nonlinear models of interacting populations
Nonlinear models in interacting populations
N. S. Goel; S. C. Maitra; E. W. Montroll
On spine: Nonlinear models of interacting populations
Originally published in Reviews of modern physics, v. 43, no. 2, April, 1971