TY  - BOOK
AU  - Raj,Des
TI  - The design of sample surveys
T2  - McGraw-Hill series in probability and statistics
SN  - 070511551
AV  - HA31.2  .R3 1972 
PY  - 1971///, c1972]
CY  - New York
PB  - McGraw-Hill
KW  - Sampling (Statistics)
N1  - Includes bibliographies
ER  -