@misc{Kocher_[Emil]_Theodor_Chirurgische_1897,
 author={Kocher, [Emil] Theodor},
 address={Jena},
 howpublished={online},
 year={1897},
 publisher={Verlag von Gustav Fischer},
 language={ger},
 title={Chirurgische Operationslehre},
 type={książka},
}