@misc{Häusermann_Jürg._Schreiben_2008.,
 author={Häusermann, Jürg.},
 copyright={-},
 address={gw},
 address={Konstanz},
 howpublished={online},
 year={2008.},
 publisher={UVK Verlagsgesellschaft},
 language={ger},
 type={a - dokument piśmienniczy (druk)},
 title={Schreiben},
}