References
1. Tamarin RH (1977) Demography of the beach vole (Microtus breweri) and the meadow vole
(Microtus pennsylvanicus) in Southern Massachusetts. Ecology 58(6):1310–1321
2. May RM (ed) (1981) Theoretical ecology, 2nd edn. Blackwell Scientific Publishers, Oxford,
pp 5–29
References
205