@article {Cerdeira2005,
	title = {The k-track assignment problem on partial orders},
	journal = {Journal of Scheduling},
	volume = {8},
	number = {2},
	year = {2005},
	note = {n/a},
	pages = {135-143},
	abstract = {n/a},
	author = {Barcia, P. and Cerdeira, J.O.}
}
