@article { correia2014, title = {Multi-product Capacitated Single-Allocation Hub Location Problems: Formulations and Inequalities}, journal = {Networks and Spatial Economics}, volume = {14}, number = {1}, year = {2014}, note = {

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}, pages = {1-25}, abstract = {

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}, author = {Correia, Isabel and Nickel, Stefan and Francisco Saldanha-da-Gama} }