Crime of Claudius Ptolemy. Baltimore: Johns Hopkins University Press. Rawlins, Dennis(1982). An investigation of the ancient star catalog. Pub. Astron. Soc
and the Far East, Popular Astronomy, May 1939, 47 (5): 233–238 [236] DennisRawlins, Continued fraction decipherment: the Aristarchan ancestry of Hipparchos'