TY  - BOOK
AU  - Weisberg,Herbert F
AU  - Bowen,Bruce D
TI  - An introduction to survey research and data analysis
SN  - 0716704854
PY  - 1977///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Social surveys
KW  - Social sciences
KW  - Statistical methods
N1  - Includes index; p. 235-237
ER  -