@misc{Heweliusz_Jan_(1611-1687)_Johannis,
 author={Heweliusz, Jan (1611-1687)},
 howpublished={online},
 publisher={Autoris Typis Et Sumptibus },
 publisher={Gedani},
 publisher={Imprimebat Simon Reiniger},
 language={lat},
 type={stary druk},
 title={Johannis Hevelii Descriptio Cometae Anno Ærae Christ. M.DC.LXV. Exorti : Cum genuinis Observationibus, tam nudis, quam enodatis, Mense Aprili habitis Gedani. Cui addita est Mantissa Prodromi Cometici, Observationes omnes prioris Cometæ MDCLXIV, ex iisq. genuinum motum accurate deductum, cum notis, & animadversionibus exhibens [...] (skany: 59-269)},
 keywords={Hevelius Johannes},
}