TY  - JOUR
A1  - Curtin, R.
A1  - Presser, S.
A1  - Singer, E.
T1  - Changes in telephone survey nonresponse over the past quarter century
Y1  - 2005
DO  - 10.1093/poq/nfi002
JF  - Public Opinion Quarterly 
VL  - 69
IS  - 1

ER  -