TY  - BOOK
AU  - Cochran,G.William
TI  - Sampling techniques
SN  - 0852261217
U1  - 311.21 22
PY  - 1977///
CY  - New york
PB  - Wiley eastern
KW  - Geography
KW  - Statistical methods
KW  - Sampling (Statistics)
N1  - Includes bibliographies references and index
ER  -