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Discussiones Mathematicae Graph Theory > 1998 > 18 > 1 > 49-61
Discussiones Mathematicae Graph Theory > 1996 > 16 > 1 > 5-16
Discussiones Mathematicae Graph Theory > 1996 > 16 > 1 > 17-26
Discussiones Mathematicae Graph Theory > 1998 > 18 > 1 > 49-61
Discussiones Mathematicae Graph Theory > 1996 > 16 > 1 > 5-16
Discussiones Mathematicae Graph Theory > 1996 > 16 > 1 > 17-26