@article { correia2003,
	title = {A Lagrangean Heuristic for a Modular Capacitated Location Problem},
	journal = {Annals of Operations Research},
	volume = {122},
	number = {1-4},
	year = {2003},
	note = {<p>n/a</p>
},
	pages = {141-161},
	abstract = {<p>n/a</p>
},
	author = {Correia, Isabel and Maria Eug{\'e}nia Captivo}
}
