TY  - BOOK
AU  - Williams,Bill
TI  - A sampler on sampling
T2  - Wiley series in probability and mathematical statistics
SN  - 0471030368
AV  - QA 276.6 .W54 1977
PY  - 1978///
CY  - New York
PB  - Wiley
KW  - Sampling (Statistics)
ER  -