@misc{Kronfeld_Arthur_(1886–1941)_Lehrbuch_1932,
 author={Kronfeld, Arthur (1886–1941)},
 copyright={Public Domain},
 address={Berlin},
 howpublished={online},
 year={1932},
 publisher={Verlag von Julius Springer},
 language={ger},
 title={Lehrbuch der charakterkunde},
 type={Text},
 URL={http://www.rcin.org.pl/Content/143038/PDF/WA488_178141_19856_Kronfeld-Lehrbuch.pdf},
 keywords={Characterology, Research on human nature - philosophical systems - ethics - character},
}