@misc{Knoll_Heinrich_Der,
 author={Knoll, Heinrich},
 howpublished={online},
 publisher={[s.n.] ; (Hofbuchdruckerei W. Decker & Co.)},
 language={ger},
 type={książka},
 title={Der ostdeutsche Holzhandel},
 keywords={handel, drewno, Niemcy},
}