TY  - BOOK
AU  - Williams,William Howard
TI  - A sampler on sampling
SN  - 0471030368 :
U1  - 519.9 
PY  - 1978///
CY  - New York
PB  - John Wiley
KW  - Sampling (Statistics)
KW  - Statistics
N1  - Includes index
ER  -