@misc{Büllow-Trummer_E._v._Fossilium,
 author={Büllow-Trummer, E. v.},
 copyright={Biblioteka Politechniki Gdańskiej},
 howpublished={online},
 publisher={W. Junk},
 language={ger},
 type={czasopismo},
 title={Fossilium Catalogus. I, Animalia. Pars 11: E. v. Büllow-Trummer, Cephalopoda dibranchiata},
 keywords={paleontologia, czasopisma},
}