@misc{Kunik_Arist_Aristovič_(1814-1899)._Oprac._Literaturnye,
 author={Kunik, Arist Aristovič (1814-1899). Oprac.},
 howpublished={online},
 publisher={Tipografìâ Imperatorskoj Akademìi Nauk},
 language={rus},
 title={Literaturnye trudy P. I. Keppena},
 type={książka},
 keywords={Keppen, Petr Ivanovič (1793-1864) - bibliografia},
}