TY  - CHAP
A1  - Beard, R.E.
T1  - Appendix: Note on some mathematical mortality models
Y1  - 1959
DO  - 10.1002/9780470715253.app1
A3  - Wolstenholme, G.E.W.
A3  - O’Connor, M.
T2  - The lifespan of animals. CIBA Foundation Colloquium on Ageing
CY  - Boston
PB  - Little, Brown

ER  -