condor.depaul.educondor.depaul.edu/ppereira/courses/geo/pagany.pdf · There's a lot of math in...
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condor.depaul.educondor.depaul.edu/ppereira/courses/geo/pagany.pdf · There's a lot of math in these designs—their sym- ... 16 18 Stge O Stage 1 Sta e O Sta el al Sta 2 ... terns