@misc{Richter_Ernst_Friedrich_(1808-1879)_Zasady,
 author={Richter, Ernst Friedrich (1808-1879)},
 howpublished={online},
 publisher={Gebethner i Wolff},
 language={pol},
 type={książka},
 title={Zasady harmonji [!]},
 keywords={cimelia, harmonia},
}