TY  - BOOK
T1  - Sampling techniques.
DA  - c1963.
CY  - New York,
AU  - Cochran, William G.
ET  - 2d ed.
CN  - QA276.5
CN  - QA276.5
PB  - Wiley
PP  - New York,
PY  - c1963.
ID  - 58582
KW  - Sampling (Statistics)
TI  - Sampling techniques.
ER  -