TY - JOUR AU - Narayan, K.L. AU - Ramacharyulu, N.CH.P. TI - A prey-predator model with an alternative food for the predator, harvesting of both the species and with a gestation period for interaction. JO - International Journal of Open Problems in Computer Science and Mathematics. IJOPCM PY - 2008 SP - 71 VL - 1 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IJOPCM_2008__1_1_129785/ LA - en ID - IJOPCM_2008__1_1_129785 ER -