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Journal of Graph Theory > 99 > 3 > 359 - 377
Discrete Mathematics > 2007 > 307 > 13 > 1636-1642
Discussiones Mathematicae Graph Theory > 2006 > 26 > 1 > 103-112
Journal of Graph Theory > 99 > 3 > 359 - 377
Discrete Mathematics > 2007 > 307 > 13 > 1636-1642
Discussiones Mathematicae Graph Theory > 2006 > 26 > 1 > 103-112