TY  - GEN
AU  - Stephan,Frederick F.
AU  - McCarthy,Philip J.
TI  - Sampling opinions: an analysis of survey procedure 
SN  - 0837169011
PY  - 1974///, c1958)
CY  - Westport, Conn
PB  - Greenwood Press
KW  - Public opinion polls
KW  - Sampling (Statistics)
N1  - Reprint of the ed. published by Wiley, New York, 1958; Includes bibliographical references
ER  -