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Journal of Algebra > 2015 > 424 > Complete > 376-389
Journal of Algebra > 2008 > 319 > 10 > 4288-4324
Journal of Combinatorial Theory, Series B > 2004 > 90 > 1 > 55-91
Journal of Algebraic Combinatorics > 2002 > 15 > 3 > 223-229
Discrete Mathematics > 1995 > 137 > 1-3 > 319-332