TY  - BOOK
AU  - Cochran,William Gemmell
TI  - Sampling techniques
SN  - 047116240X
AV  - QA276.6 .C6 1977
PY  - 1977///
CY  - New York
PB  - Wiley
KW  - sampling -statistics
N1  - Includes indexes
UR  - http://www.loc.gov/catdir/description/wiley037/77000728.html
UR  - http://www.loc.gov/catdir/toc/onix03/77000728.html
ER  -