@misc{Beacham_T._D._Survival_1980, author={Beacham, T. D.}, volume={191}, copyright={Rights Reserved - Restricted Access}, address={London}, journal={Journal of Zoology, Lond.}, howpublished={online}, year={1980}, publisher={Wiley-Blackwell}, language={eng}, title={Survival of cohorts in a fluctuating population of the vole Microtus townsendii}, type={Text}, keywords={Canada, Cohorts, Microtus townsendii, Population, Survival}, }