@inbook{Groves2004,
author = {Groves, R.},
title= {The interviewer as a source of survey measurement error},
year = {2004},
doi = {10.1002/0471725277.ch8},
editor = {Groves, R.},
booktitle = {Survey errors and survey costs},
address = {New York},
publisher = {Wiley-Interscience},
pages = {357--406},
}