TY  - BOOK
TI  - Demographic evaluation and analysis of population census data: aspects of technical co-operation 
T2  - [Document] - United Nations
U1  - 304.6 
PY  - 1980///
CY  - New York
PB  - United Nations
KW  - Census
KW  - Population assistance
N1  - Includes bibliographies
ER  -