@misc{Braun_Karl_(1871-?)_Die_1921,
 author={Braun, Karl (1871-?)},
 address={Berlin},
 address={Leipzig},
 howpublished={online},
 year={1921},
 publisher={Druck von C. G. Röder},
 language={ger},
 title={Die Seifenfabrikation},
 type={książka},
}