@misc{Haeckel_Ernst_Heinrich_Philipp_August_(1834–1919)_Die_1904,
 author={Haeckel, Ernst Heinrich Philipp August (1834–1919)},
 copyright={Public Domain},
 howpublished={online},
 year={1904},
 publisher={Alfred Kröner Verlag},
 language={ger},
 title={Die Lebenswunder : bemeinverstandliche Studien uber biologische philosophie},
 type={Text},
 keywords={Biology, Philosophy of science},
}