@inbook{Laurie2009,
author = {Laurie, H. and Lynn, P. },
title= {The use of respondent incentives in longitudinal surveys},
year = {2009},
doi = {10.1002/9780470743874.ch12},
editor = {Lynn, P. },
booktitle = {Methodology of longitudinal surveys},
address = {Chichester},
publisher = {Wiley},
pages = {205--233},
}