@misc{Hertwig_Richard_(1850–1937)_Abstammungslehre_1927, author={Hertwig, Richard (1850–1937)}, copyright={Domena Publiczna}, address={Jena}, howpublished={online}, year={1927}, publisher={Verlag von Gustav Fischer}, language={ger}, type={Tekst}, title={Abstammungslehre und neuere Biologie}, URL={http://rcin.org.pl./Content/69716/PDF/WA488_91133_2084_R.Hertwig.pdf}, keywords={Darwinizm, Ewolucja (biologia)}, }