TY  - BOOK
ED  - United Nations
TI  - A Comparative evaluation of data quality in World Fertility Surveys
T2  - ST/ESA/SER.R/50/Rev.1
U1  - SC:304.632 23
PY  - 1987///
CY  - New York
PB  - United Nations
KW  -  Ferility Servey
ER  -