@misc{Hajduk_Zygmunt_Henryk_2000,
 author={Hajduk, Zygmunt},
 copyright={© Copyright by Katolicki Uniwersytet Lubelski Jana Pawła II},
 address={Warszawa},
 howpublished={online},
 year={2000},
 publisher={Uniwersytet Warszawski},
 title={Henryk Mehlberg.},
}