@misc{Poppenberg_Felix_(1869-1915)_Buchkunst,
 author={Poppenberg, Felix (1869-1915)},
 address={Berlin},
 howpublished={online},
 publisher={Marquardt},
 language={ger},
 type={książka},
 title={Buchkunst},
 keywords={Edytorstwo -- historia},
}