  Combinatorics of Symmetric Designs [New Mathematical Monographs] (Hardcover) ISBN-13: 9780521818339 ISBN-10: 0521818338 Genres: Science & Math, Engineering & Transportation ?  Quasisymmetric Designs [London Mathematical Society Lecture Note Series] (Paperback) ISBN-13: 9780521414074 ISBN-10: 0521414075 Genres: Science & Math, Engineering & Transportation, Substores ? |
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