TY  - CHAP
A1  - Beard, R.E.
T1  - Note on Some Mathematical Mortality Models
Y1  - 1959
A3  - Wolstenholme, G.E.W.
A3  - O'Connor, M.
T2  - The Lifespan of Animals. Ciba Foundation Colloquium on Ageing
CY  - Boston, MA: Little, Brown and Company
SP  - 302
EP  - -311

ER  -