@article{Jäckle2015,
author = {Jäckle, A. and Lynn, P. and Burton, J.},
title= {Going online with a face-to-face household panel: Effects of a mixed mode design on item and unit non-response},
year = {2015},
doi = {10.18148/srm/2015.v9i1.5475},
volume = {9},
number = {1},
}