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Discussiones Mathematicae Graph Theory > 2014 > 34 > 4 > 829-848
Discussiones Mathematicae Graph Theory > 2012 > 32 > 1 > 121-127
Discussiones Mathematicae Graph Theory > 2010 > 30 > 1 > 75-83
Discussiones Mathematicae Graph Theory > 2014 > 34 > 4 > 829-848
Discussiones Mathematicae Graph Theory > 2012 > 32 > 1 > 121-127
Discussiones Mathematicae Graph Theory > 2010 > 30 > 1 > 75-83