TY  - BOOK
AU  - Raj,Des
TI  - Design of sample surveys
T2  - McGraw-Hill series in probability and statistics
SN  - 0070511551
U1  - 001.433 
PY  - 1971///
CY  - New York
PB  - McGraw-Hill
KW  - Sampling (Statistics)
N1  - Includes bibliographies
ER  -