TY  - JOUR
A1  - Derrick, V.P.A.
T1  - Observations on (1) errors in age in the population statistics of England and Wales, and (2) the changes in mortality indicated by the national records
Y1  - 1927
JF  - Journal of the Institute of Actuaries
VL  - 58
SP  - 117
EP  - -159

ER  -