TY  - BOOK
AU  - Cochran, William G. .
TI  - Sampling Techniques
SN  - 978-81-265-1524-0
U1  - 311.22 
PY  - 2009///
CY  - New York
PB  - John Wiley & Sons
KW  - Statistics
KW  - G- Statistics
ER  -