@misc{Ziegler_Heinrich_Ernst_(1858–1925)_O_1909,
 author={Ziegler, Heinrich Ernst (1858–1925)},
 editor={M. G. Tł.},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 address={(Warszawa)},
 howpublished={online},
 year={1909},
 publisher={Wydawnictwo M. Arcta},
 publisher={(Druk M.Arcta)},
 language={pol},
 title={O obecnym stanie teorji descendencji w zoologji},
 keywords={evolutionism, biological evolution, evolution (biology) - popular works},
}