Kermack, W; McKendrick, A (1991). “Contributions to the mathematical theory of epidemics – I”. Bulletin of Mathematical Biology53 (1–2): 33–55. doi:10.1007/BF02464423. PMID2059741.
Kermack, W; McKendrick, A (1991). “Contributions to the mathematical theory of epidemics – II. The problem of endemicity”. Bulletin of Mathematical Biology53 (1–2): 57–87. doi:10.1007/BF02464424. PMID2059742.
Kermack, W; McKendrick, A (1991). “Contributions to the mathematical theory of epidemics – III. Further studies of the problem of endemicity”. Bulletin of Mathematical Biology53 (1–2): 89–118. doi:10.1007/BF02464425. PMID2059743.
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pubmed.ncbi.nlm.nih.gov
Kermack, W; McKendrick, A (1991). “Contributions to the mathematical theory of epidemics – I”. Bulletin of Mathematical Biology53 (1–2): 33–55. doi:10.1007/BF02464423. PMID2059741.
Kermack, W; McKendrick, A (1991). “Contributions to the mathematical theory of epidemics – II. The problem of endemicity”. Bulletin of Mathematical Biology53 (1–2): 57–87. doi:10.1007/BF02464424. PMID2059742.
Kermack, W; McKendrick, A (1991). “Contributions to the mathematical theory of epidemics – III. Further studies of the problem of endemicity”. Bulletin of Mathematical Biology53 (1–2): 89–118. doi:10.1007/BF02464425. PMID2059743.