@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 = {66},
number = {1},
pages = {125−148},
}