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Discussiones Mathematicae Graph Theory > 2012 > 32 > 1 > 161-175
Discussiones Mathematicae Graph Theory > 2007 > 27 > 3 > 527-540
Discussiones Mathematicae Graph Theory > 2012 > 32 > 1 > 161-175
Discussiones Mathematicae Graph Theory > 2007 > 27 > 3 > 527-540