Zhu, H., Campbell S.A., and Wolkowicz, G., 2002: Bifurcation analysis of a predator-prey system with nonmonotonic function response. SIAM J. Appl. Math., Vol. 63 (2), p. 636–682

Zhu, H., Campbell S.A., and Wolkowicz, G., 2002: Bifurcation analysis of a predator-prey system with nonmonotonic function response. SIAM J. Appl. Math., Vol. 63 (2), p. 636–682
