@misc{Cavalieri_Bonaventura_(1598?-1647)_Directorivm,
 author={Cavalieri, Bonaventura (1598?-1647)},
 howpublished={online},
 publisher={Nicolò Tebaldini},
 language={lat},
 title={Directorivm Generale Vranometricvm : In quo Trigonometriæ Logarithmicæ Fvndamenta, ac Regulæ demonstrantur Astromicęq; supputationes ... reducuntur ...},
 type={starodruk},
}