@article {geinoz2008construction,
	title = {Construction of balanced sports schedules using partitions into subleagues},
	journal = {Operations Research Letters},
	volume = {36},
	number = {3},
	year = {2008},
	pages = {279{\textendash}282},
	publisher = {North-Holland},
	author = {Geinoz, A and Ekim, Tinaz and de Werra, Dominique}
}
@article {de2006construction,
	title = {Construction of sports schedules with multiple venues},
	journal = {Discrete Applied Mathematics},
	volume = {154},
	number = {1},
	year = {2006},
	pages = {47{\textendash}58},
	publisher = {North-Holland},
	author = {de Werra, Dominique and Ekim, Tinaz and Raess, C}
}
