@article {IOPORT.50000667,
    author       = {Mandl, Thomas and Womser-Hacker, Christa},
    title        = {Eigenschaften von nat\"urlichsprachlichen topics in information retrieval experimenten},
    year         = {2003},
    journal      = {LDV Forum},
    volume       = {18},
    number       = {1-2},
    pages        = {248-260},
    identifier   = {50000667},
}