@misc{_Taschen-Kalender,
 copyright={Public Domain},
 address={Leipzig},
 howpublished={online},
 publisher={Oskar Leiner},
 language={ger},
 language={lat},
 type={Text},
 title={Taschen-Kalender für Pflanzen-Sammler},
 URL={http://rcin.org.pl/ib/Content/139912/PDF/KR171_172927_Linne_Taschen-Kalender.pdf},
}