Mathematics of biology

K. L. Cooke: Delay differential equations.- J. M. Cushing: Volterra integrodifferential equations in population dynamics.- K. P. Hadeler: Diffusion equations in biology.- S. Hastings: Some mathematical problems arising in neurobiology.- F. C. Hoppensteadt: Perturbation methods in biology.- S. O. Londen: Integral equations of Volterra type.