Note 49 — Chapter I · The Development of Astronomical Thought to 1400 A.D. A Preliminary Sketch of Early Theories as a Background.
Reading edition
Lombard: Sententia, Bk. II, Dist. I, sec. 8, (v. 192, p. 655).
Reading edition
Lombard: Sententia, Bk. II, Dist. I, sec. 8, (v. 192, p. 655).