TY  - BOOK
AU  - Welch,Susan
AU  - Comer,John C.
TI  - Public opinion: its formation, measurement, and impact 
SN  - 0874842956
AV  - HM261 .P82
U1  - 301.15/4 
PY  - 1975///
CY  - Palo Alto, Calif.
PB  - Mayfield Pub. Co.
KW  - Public opinion
KW  - Public opinion polls
N1  - Includes bibliographical references and indexes
ER  -