@misc{Olhoffius_Johannes_Ericus_Excerpta,
 author={Olhoffius, Johannes Ericus},
 howpublished={online},
 publisher={Janssonius Waesbergius},
 publisher={Rhete David Friedrich},
 language={lat},
 type={starodruk},
 title={Excerpta ex litteris illustrium, et clarissimorum virorum, ad nobilissimum, ampliss. et consultiss. dn. Johannem Hevelium Cons. Gedanensem perscriptis, iudicia de rebus astronomicis eiusdemque scriptis exhibentia, studio ac operâ Johannis Erici Olhoffii},
 keywords={Jan Heweliusz (1611-1687), astronomia 17w.},
}