@misc{Rudziński_Władysław_The,
 author={Rudziński, Władysław},
 howpublished={online},
 publisher={Wydawnictwo UMCS},
 language={eng},
 type={artykuł},
 title={The 60th Birthday of Professor Nikola Kallay},
 keywords={biografia, Kallay, Nikola},
}