@article {demange2009tutorial,
	title = {A tutorial on the use of graph coloring for some problems in robotics},
	journal = {European Journal of Operational Research},
	volume = {192},
	number = {1},
	year = {2009},
	pages = {41{\textendash}55},
	publisher = {North-Holland},
	author = {Demange, Marc and Ekim, Tinaz and de Werra, Dominique}
}
