TY  - SER
AU  - Craig,John
ED  - Great Britain.
TI  - Population density and concentration in England and Wales, 1971 and 1981
T2  - Studies on medical and population subjects
PY  - 1988///
CY  - London
PB  - H.M.S.O.
KW  - Population density
KW  - Great Britain
KW  - Population
ER  -