Discussiones Mathematicae Graph Theory
Discussiones Mathematicae Graph Theory > 2006 > 26 > 1 > 161-175
Discussiones Mathematicae Graph Theory > 2011 > 31 > 4 > 737-751
Discussiones Mathematicae Graph Theory > 2012 > 32 > 4 > 749-769
Discussiones Mathematicae Graph Theory > 2016 > 36 > 2 > 455-465
Discussiones Mathematicae Graph Theory > 2017 > 38 > 1 > 83-95