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IP address: 172.69.17.20
Time: 2025-03-09T12:34:56Z
URL: https://scholar.google.com/scholar_lookup?author=Richeson%2C+D.S.&publication_year=2008&title=Euler%E2%80%99s+Gem%3A+The+Polyhedron+Formula+and+the+Birth+of+Topology