TY  - BOOK
AU  - Seltzer,William
TI  - Demographic data collection: a summary of experience 
SN  - 0878340165
PY  - 1973///
CY  - New York
PB  - The Population Council
KW  - Fertility, Human
KW  - Vital statistics
N1  - Reprinted with minor corrections, 1978; References: p. 47-50
ER  -