@misc{Heweliusz_Jan_(1611-1687)_Johannis,
 author={Heweliusz, Jan (1611-1687)},
 howpublished={online},
 publisher={sumptibus autoris, Typis Andreae Julii Molleri},
 language={lat},
 title={Johannis Hevelii Epistolae II. Prior: De motu Lunae Libratorio [...], Posterior De utriusque Luminariu defectu anni 1654 [...]},
 type={starodruk},
}