@misc{Becker_Wilhelm_Adolf_(1796–1846)_Struktur_1938,
 author={Becker, Wilhelm Adolf (1796–1846)},
 copyright={Public Domain},
 address={Jena},
 howpublished={online},
 year={1938},
 publisher={Verlag von Gustav Fischer},
 type={Text},
 title={Struktur und doppelbrechung der chromosomen},
 URL={http://rcin.org.pl/Content/68078/PDF/s77.pdf},
 keywords={Chromatin - optical properties of, Cell nuclei - optical properties of, Chromosomes - optical properties of, Animal cells, Plant cells},
}