@article {Cerdeira2003,
	title = {Node packings on cocomparability graphs},
	journal = {Operations Research Letters},
	volume = {31},
	number = {5},
	year = {2003},
	note = {n/a},
	pages = {341-342},
	abstract = {n/a},
	author = {Barcia, P. and Cerdeira, J.O.}
}
