TY  - BOOK
AU  - Cochran, William G.
TI  - Sampling Techniques/ : William G. Cochran
SN  - 471019394
U1  - 519.52/ C6631s/ 1977 
PY  - 1977///
CY  - New York
PB  - John Wiley Sons
KW  - Mathematics
N1  - Includes Index
ER  -