TY  - GEN
AU  - Sudman , Seymour
AU  - Bradburn , Norman M. ;Schwarz , Norbert 
TI  - Thinking about answers : the application of cognitive processes to survey methodology
SN  - 0787901202
U1  - 300.723 
PY  - 1996///
CY  - California
PB  - Jossey BassPublishers
KW  - SOCIAL SCIENCES
KW  - SOCIAL SURVEYS - METHODOLOGY
ER  -