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P2937
P2937
http://dx.doi.org/10.1068/P2937
Cleomedes (c. 1st century AD) on the celestial illusion, atmospheric enlargement, and size-distance invariance.
P356
Q30327436-BBEB41D6-933C-4DC2-831E-F12FB4DCB56D
P356
P2937
http://dx.doi.org/10.1068/P2937