R. K. K. Upadhyay, S. N. N. Raw, and V. Rai, “Dynamical complexities in a tri-trophic hybrid food chain model with Holling type II and Crowley–Martin functional responses”, NAMC, vol. 15, no. 3, pp. 361–375, Jul. 2010, doi: 10.15388/NA.15.3.14331.