On the Volterra and other nonlinear models of interacting populations [by] N.S. Geol, S.C. Maitra [and] E.W. MontrollN. S. Goel · First published 1971Open the Tome
Topics in statistical mechanics of interacting particles by E.W. Montroll and G.R. NewellE. W. Montroll · First published 1952Open the Tome