TY  - BOOK
AU  - Cochran, William G.
TI  - Sampling techniques
SN  - 9971512718
U1  - 001.433 21st ed.
PY  - 1999///
CY  - New York
PB  - John Wiley
KW  - Sampling (Statistics)
N1  - Index: pp 418-28
ER  -