Discussiones Mathematicae Graph Theory
Discussiones Mathematicae Graph Theory > 1995 > 15 > 2 > 179-184
Discussiones Mathematicae Graph Theory > 2001 > 21 > 1 > 137-143
Discussiones Mathematicae Graph Theory > 2006 > 26 > 2 > 335-342
Discussiones Mathematicae Graph Theory > 2007 > 27 > 1 > 29-38
Discussiones Mathematicae Graph Theory > 2017 > 37 > 3 > 691-710