Memory Effects in Population Dynamics : Spread of Infectious Disease as a Case StudyA. Pimenov, T.C. Kelly, A. Korobeinikov, M.J.A. O’Callaghan, A.V. Pokrovskii and D. RachinskiiMath. Model. Nat. Phenom., 7 3 (2012) 204-226DOI: https://doi.org/10.1051/mmnp/20127313