TY  - BOOK
AU  - Wentland,Ellen J.
AU  - Smith,Kent W.
TI  - Survey responses: an evaluation of their validity 
SN  - 0127440305 :
U1  - 300.72 
PY  - 1993///
CY  - San Diego
PB  - Academic Press
KW  - Social surveys
N1  - Includes index
ER  -