@article {IOPORT.50124679,
    author       = {Axs\"ater, Sven and Marklund, Johan},
    title        = {Optimal position-based warehouse ordering in divergent two-echelon inventory systems},
    year         = {2008},
    journal      = {Operations Research},
    volume       = {56},
    number       = {4},
    pages        = {976-991},
    doi          = {10.1287/opre.1080.0560},
    identifier   = {50124679},
}