@misc{Langerfeld_Kaspar_(około_1540-1571)_Elegia,
 author={Langerfeld, Kaspar (około 1540-1571)},
 address={Francforti ad Oderam},
 howpublished={online},
 publisher={[Johann Eichorn]},
 language={lat},
 type={starodruk},
 title={Elegia Casparis Langerfeldii De Obitv Prvdentissimi Viri Petri Langerfeldii Senatoris Regiomontani in Prvssia &c. : Patris Svi Amantissimi.},
 title={Elegia de obitu Petri Langerfeldii},
}