TY  - CHAP
A1  - Sturgis, P.
A1  - Allum, N.
A1  - Brunton-Smith, I.
T1  - Attitudes over time: The psychology of panel conditioning
Y1  - 2009
DO  - 10.1002/9780470743874.ch7
A3  - Lynn, P.
T2  - Methodology of longitudinal surveys
CY  - Chichester
PB  - Wiley

ER  -