@misc{Jongmans_Wilhelm_Joseph_(1878-1957)_Fossilium,
 author={Jongmans, Wilhelm Joseph (1878-1957)},
 howpublished={online},
 publisher={W. Junk},
 language={Tekst niem.},
 type={czasopismo},
 title={Fossilium Catalogus. II, Plantae. Pars 16: W. Jongmans, Lycopodiales III (incl. Hydropterideae, Psilophytales, Sphenophyllales)},
 keywords={czasopisma, paleontologia, skamieliny, widłaki},
}