Generalized chromatic numbers and additive hereditary properties of graphs. - Izak Broere; Samantha Dorfling; Elizabeth Jonck (Discuss. Math. Graph Theory, 2002)

Generalized edge-chromatic numbers and additive hereditary properties of graphs. - Michael Dorfling; Samantha Dorfling (Discuss. Math. Graph Theory, 2002)

Recognizable colorings of cycles and trees. - Michael Dorfling; Samantha Dorfling (Discuss. Math. Graph Theory, 2012)