TY  - BOOK
AU  - W G Cochran 
AU  - Cochran, W G 
TI  - Sampling Techniques 
SN  - 0852261225 
U1  - 519.52 COC  
PY  - 1963///
CY  - New Delhi
PB  - Wiley Eastern
KW  -  
KW  -  Sampling Techniques 
KW  - Mathematics 
ER  -