@misc{Ailly_Pierre_d'_(1350–1420?)_Tractatus,
 author={Ailly, Pierre d' (1350–1420?)},
 howpublished={online},
 publisher={impe[n]sis ... Joa[n]nis Haller},
 language={łacina},
 title={Tractatus Petri de Eliaco ... sup[er] libros metheuro[rum] de impressionibus aeris et de his q[uae] in prima, s[ecun]da atq[ue] tercia regionib[us] aeris fiunt : Sicut sunt sidera cade[n]tia, stellae comate, pluuia, ros, pruina, nix, grando, ventus, terre motus : Deq[ue] generatis infra terram.},
}