@misc{Milne_Edwards_Henri_Cours,
 author={Milne Edwards, Henri and Comte, Achille Joseph},
 howpublished={online},
 publisher={Meline, Cans et compagnie},
 language={fre},
 type={podręczniki},
 title={Cours d'histoire naturelle, a l'usage des colleges et des ecoles normales primaires},
 keywords={historia naturalna},
}