RT Book, Section SR 00 A1 Heesterbeek, J.A.P. A1 Metz, J.A.J. T1 The saturating contact rate in epidemic models YR 1996 FD 1996 A2 Isham, V. A2 Medley, G. T2 Models for Infectious Human Diseases: Their Structure and Relation to Data PB Cambridge University Press PP Cambridge SN 0-521-45339-9 AV Published LK https://pure.iiasa.ac.at/id/eprint/4748/