TY  - BOOK
AU  - Groves, Robert M.
AU  - 
TI  - Survey nonresponse
SN  - 0-471-39627-3
U1  - 303.833.3 
PY  - 2002///
CY  - New York
PB  - John Wiley
KW  - Social surveys- response rate
KW  - Nonresponse-survey
ER  -