Valerio, Vladimiro. Historiographic and numerical notes on the Atlante Farnese and its celestial sphere.. Der Globusfreund. 1987, (35/37): 97–124. ISSN 0436-0664. JSTOR 41628831.
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Valerio, Vladimiro. Historiographic and numerical notes on the Atlante Farnese and its celestial sphere.. Der Globusfreund. 1987, (35/37): 97–124. ISSN 0436-0664. JSTOR 41628831.