TY  - BOOK
AU  - Cochran,William G.
TI  - Sampling techniques / 
SN  - 0852261217
U1  - 001.433 COS 23
PY  - 1992///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Sampling (Statistics)
N1  - Includes references and index
ER  -