@article { correia2010,
	title = {Single-assignment hub location problems with multiple capacity levels},
	journal = {Transportation Research Part B: Methodological},
	volume = {44},
	number = {8-9},
	year = {2010},
	note = {<p>n/a</p>
},
	pages = {1047-1066},
	abstract = {<p>n/a</p>
},
	author = {Correia, Isabel and Nickel, Stefan and Francisco Saldanha-da-Gama}
}
