TY  - BOOK
AU  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS
ED  - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS
TI  - Handbooks of population and housing census methods:  sampling in connexion with population & housing census   
U1  - Y:5N.1N45.N71, L1 /UN 
PY  - 1971///
CY  - New York
PB  - United Nations        
ER  -