%0 Journal Article %A Narayan, K.L. %A Paparao, A.V. %T A prey-predator model with a cover linearly varying with the prey population and an alternative food for the predator. %J International journal of open problems in computer science and mathematics %D 2009 %P 416 %V 2 %N 3 %U http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_3_233149/ %G en %F IJOPCM_2009__2_3_233149