@misc{Heweliusz_Jan_(1611-1687)_Johannis, author={Heweliusz, Jan (1611-1687)}, howpublished={online}, publisher={Gedani}, publisher={typis Andreæ Julii Molleri}, publisher={Sumptibus Autoris}, language={lat}, type={stary druk}, title={Johannis Hevelii Epistolæ II. [...]}, keywords={Hevelius Johannes}, }