TY  - BOOK
AU  - Seltzer,William
AU  - ill.
TI  - Demographic data collection: : a summary of experience
T2  - Occasional Paper Series
SN  - 0878340165
AV  - IRA HB850.S44 
PY  - 1973///
CY  - New York
PB  - The Population council
KW  - Demography
N1  - Includes bibliographical references
ER  -