TY  - BOOK
AU  - Cochran, William G..
TI  - Sampling Techniques / 
SN  - 0-85226-091-1
U1  - B2817 
PY  - 1992///
CY  - New Delhi-2 : 
PB  - Wiley Eastern Ltd. , 
KW  - Sampling Techniques
ER  -