@misc{Bartholomeus_Anglicus_(12..-1272)_De,
 author={Bartholomeus Anglicus (12..-1272) and http://viaf.org/viaf/13121030 and Thomas de Cantimpré (1201-1272) and http://viaf.org/viaf/100174390},
 howpublished={online},
 language={lat},
 type={text},
 title={De proprietatibus rerum libri XIX},
 title={Liber de natura rerum (III, 1, 1 - III, 5, 38)},
 title={De decem praeceptis},
 keywords={14 w., encyklopedia, przyroda},
}