Cfr. (EN) Dennis W. Duke, Analysis of the Farnese globe, in Journal for the history of astronomy, vol. 37, 2006, pp. 87-100.
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Date di nascita e di morte congetturate (Geus, p. 152). (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.
Geus, p. 152. (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.
Nell'opera Περὶ τῆς μεταπτώσεως τῶν τροπικῶν καὶ ἰσημερινῶν σημείων (Sullo spostamento dei punti di solstizio ed equinozio); cfr. Geus, p. 154. (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.
Geus, p. 154. (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.
Geus, pp. 154-155. (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.
Geus, p. 155. (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.
Geus, pp. 152-153. (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.
Geus, p. 153. (EN) Klaus Geus, Progress in the Sciences: Astronomy and Hipparchus, in Serena Bianchetti, Michele Cataudella, Hans-Joachim Gehrke (a cura di), Brill's Companion to Ancient Geography, Leida, Brill, 2015.