  Abstract Regular Polytopes (Hardcover) ISBN-13: 9780521814966 ISBN-10: 0521814960 Genres: Reference, Science & Math, Engineering & Transportation ?  Kaleidoscopes Selected Writings of Hsm Coxeter (Paperback) ISBN-13: 9780471010036 ISBN-10: 0471010030 Genres: Science & Math, Engineering & Transportation ? |
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