@article{Gummer2023,
author = {Gummer, T. and Höhne, J.K. and Rettig, T. and Roßmann, J. and Kummerow, M.},
title= {Is there a growing use of mobile devices in web surveys? Evidence from 128 web surveys in Germany},
year = {2023},
doi = {10.1007/s11135-022-01601-8},
}