TY  - BOOK
ED  -  United Nations. Statistical Office.
TI  -  The follow-up method in demographic sample surveys : : an approach to measuring fertility, mortality, and migration
SN  -  9211613353
PY  - 1992///
CY  -  New York : 
PB  -  United Nations, 
KW  -  Demographic surveys
KW  -  Methodology
KW  -  Sampling (Statistics)
N1  -  "United Nations publication. Sales no. E.91.XVII.11"--T.p. verso;  Includes bibliographical references (p. 141-148)
ER  -