«Philoponus : Corollaries on Place and Void»Philoponus: Corollaries on Place and Void with Simplicius: Against Philoponus on the Eternity of the World (Bloomsbury Academic) (Noiz kontsultatua: 2022-04-14).
Heckel, Blayne R.; Adelberger, Eric G.; Gundlach, Jens H.; Harris, Michael G.; Swanson, H. Erik. «Torsion Balance Test of Spin Coupled Forces»Quantum Gravity, Generalized Theory of Gravitation, and Superstring Theory-Based Unification (Kluwer Academic Publishers): 153–160. ISBN0-306-46485-3. (Noiz kontsultatua: 2022-04-14).