Bolker, B. M., and B. T. Grenfell. 1995. Space, Persistence and Dynamics of Measles Epidemics. Philos T Roy Soc B 348:309-320.
Bolker, B. M., and B. T. Grenfell. 1995. Space, Persistence and Dynamics of Measles Epidemics. Philos T Roy Soc B 348:309-320.