@article{Keeter2000,
author = {Keeter, S. and Miller, C. and Kohut, A. and Groves, R.M. and Presser, S.},
title= {Consequences of reducing nonresponse in a national telephone survey},
year = {2000},
doi = {10.1086/317759},
journal = {Public Opinion Quarterly},
volume = {64},
number = {2},
pages = {125--148},
}