TY  - BOOK
AU  - "Workshop on methodology of demographic sample surveys", Copenhagen, Denmark, 24 Sept.- 3 Oct., 1969
AU  - 
TI  - Methodology of demographic sample surveys; report of the interregional workshop
U1  - 304.60723 
PY  - 1971///
CY  - New York
PB  - United Nations
ER  -