TY  - BOOK
AU  - Bulmer,Martin
TI  - Censuses, surveys, and privacy
SN  - 0333262220
PY  - 1979///
CY  - London
PB  - MacMillan
KW  - Confidential communications
KW  - Social surveys
KW  - Census
N1  - Bibliography: 249-260
ER  -