TY - JOUR T1 - Single-assignment hub location problems with multiple capacity levels JO - Transportation Research Part B: Methodological UR - http://dx.doi.org/10.1016/j.trb.2009.12.016 PY - 2010/01/01 AU - Correia I AU - Nickel S AU - Saldanha-da-Gama F ED - DO - DOI: 10.1016/j.trb.2009.12.016 PB - Elsevier BV VL - 44 IS - 8-9 SP - 1047 EP - 1066 Y2 - 2024/10/23 ER -