@misc{Peucer_Kaspar_(1525-1602)_Elementa,
 author={Peucer, Kaspar (1525-1602)},
 howpublished={online},
 publisher={Johann Krafft},
 language={lat},
 type={starodruk},
 title={Elementa Doctrinæ De Circvlis Coelestibvs, Et Primo Motv : Recognita Et Correcta},
 keywords={astronomia, ciała niebieskie, fizyka, geometria, ruch},
}