TY  - JOUR
A1  - Derrick, V.P.A.
T1  - Observations on (1) errors of age in the population statistics of England and Wales, and (2) the changes in mortality indicated by the national records
Y1  - 2006
DO  - 10.1017/S0020268100031474
VL  - 58
IS  - 2

ER  -