Waltman, P. E. (1974). Deterministic threshold models in the theory of epidemics. Springer-Verlag.
Čikaški stil citiranjaWaltman, Paul E. Deterministic Threshold Models in the Theory of Epidemics. Berlin, New York: Springer-Verlag, 1974.
MLA način citiranjaWaltman, Paul E. Deterministic Threshold Models in the Theory of Epidemics. Springer-Verlag, 1974.
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