@misc{Yersin_Alfons_(1902-_)_Die,
 author={Yersin, Alfons (1902- )},
 address={Königsberg Pr.},
 howpublished={online},
 publisher={[s.n.]},
 language={ger},
 type={książka},
 title={Die Sterilisation geistig Minderwertiger},
}