@article {IOPORT.50067925,
    author       = {Mansmann, Svetlana and Scholl, Marc H.},
    title        = {Extending the multidimensional data model to handle complex data},
    year         = {2007},
    journal      = {JCSE},
    volume       = {1},
    number       = {2},
    pages        = {125-160},
    identifier   = {50067925},
}