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"Construction of two non-isomorphic (11, 55, 20, 4, 6) Balanced Incomplete ..."
Michèle Weidenfeld (1992)
- Michèle Weidenfeld:
Construction of two non-isomorphic (11, 55, 20, 4, 6) Balanced Incomplete Block Designs having the same automorphism group. Eur. J. Comb. 13(6): 515-520 (1992)
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