@misc{Heweliusz_Jan_(1611-1687)_Johannis,
 author={Heweliusz, Jan (1611-1687)},
 howpublished={online},
 publisher={Gedani},
 publisher={Autoris Typis, & sumptibus},
 publisher={Imprimebat Simon Reiniger},
 language={lat},
 type={stary druk},
 title={Johannis Hevelii Epistola, De Cometa, Anno M DC LXXII, Mense, Martio, & Aprili, Gedani Observato : Ad Illustrem [...] Dn. Henricum Oldenburgium, Reg. Societ. Secretarium [...] (skany: 299-312)},
 keywords={Hevelius Johannes},
}