Mainul Haque Bai Larry Li A Ratio-Dependent Predator-Prey Model with Logistic Growth for the Predator Population. 210-215 2008 UKSim http://dx.doi.org/10.1109/UKSIM.2008.72 conf/uksim/2008 db/conf/uksim/uksim2008.html#HaqueL08