@article{Wendt2011,
author = {Wendt, E.-V. and Schmahl, F. and Thönnissen, C. and Schaer, M. and Walper, S.},
title= {Pairfam scales manual, Wave 1 and 2, Release 2.1},
year = {2011},
URL = {http://www.pairfam.de/fileadmin/user_upload/redakteur/publis/Dokumentation/pairfam_welle_2/scales_manual_en_pairfam_release_2.pdf},
}