@misc{Liebus_A_Fossilium,
 author={Liebus, A.},
 copyright={Biblioteka Politechniki Gdańskiej},
 howpublished={online},
 publisher={W. Junk},
 language={ger},
 title={Fossilium Catalogus. I, Animalia. Pars 49: A. Liebus, Bibliographia foraminiferum recentium et fossilium II. (1911-1930)},
 type={czasopismo},
 keywords={paleontologia, czasopisma},
}