@misc{Heweliusz_Jan_(1611-1687)_Excellentissimo,
 author={Heweliusz, Jan (1611-1687)},
 howpublished={online},
 publisher={[s.n.]},
 language={lat},
 type={stary druk},
 title={Excellentissimo Præclarißimoq[ue] Viro Dn. Laurentio Eichstadio, Medic. D. & Physico Civitatis ordinario, nec non in Gymnasio Gedanensi Matheseos Professori Hevelius S[alutem].},
 keywords={Hevelius Johannes},
}