TY  - BOOK
AU  - Backstrom,Charles Herbert
AU  - 
TI  - Survey research
SN  - 0471025437 :
AV  - HM261 .B18 1981
U1  - 303.3/8 19
PY  - 1981///
CY  - New York
PB  - Wiley
KW  - Public opinion polls
KW  - Sociology
KW  - Social sciences
KW  - Research
N1  - Includes bibliographies and index
ER  -