@misc{Gusovius_Joann_Gottfried_De,
 author={Gusovius, Joann Gottfried},
 howpublished={online},
 publisher={typis Schreiberianis},
 language={lat},
 language={grc},
 title={De Certa Infantum Baptizatorum Aeternae Beatitudinis Possession. Epistola ad summe [...] Ernestum Augustum Bertlingium...},
 type={stary druk},
 keywords={Gusovius, Johann Gottfried (1735-1785), Bertling, Ernest August (1721-1769), druk łaciński - 18 w.},
}