TY  - BOOK
AU  - Cochran,William G.
TI  - Sampling techniques / 
T2  - Wiley series in probability and mathematical statistics, 
SN  - 0471029394
U1  - 001.433 
PY  - 1988///
CY  - New York : 
PB  - John Wiley & Sons , 
KW  - SAMPLING(STATISTICS)
N1  - NULL
ER  -