1.
Silber H, Zuell C, Kuehnel S-M. What Can We Learn From Open Questions in Surveys? A Case Study on Non-Voting Reported in the 2013 German Longitudinal Election Study. METH [Internet]. 2020Apr.6 [cited 2021Jun.16];16(1):41-8. Available from: https://meth.psychopen.eu/index.php/meth/article/view/2801