@misc{Jongmans_Willem_Joseph_(1878-1957)_Fossilium,
 author={Jongmans, Willem Joseph (1878-1957)},
 howpublished={online},
 publisher={W. Junk,},
 language={Tekst niem.},
 type={czasopismo},
 title={Fossilium Catalogus. II, Plantae. Pars 2: W. Jongmans, Equisetales I: Actinopteris, Anrthrocanna, Annularia, Annulariopsis, Aphyllostachys},
 keywords={czasopisma, paleontologia, skamieliny, skrzypowce},
}