@article {IOPORT.50104665,
    author       = {Owczarczuk, Marcin},
    title        = {Churn models for prepaid customers in the cellular telecommunication industry using large data marts},
    year         = {2010},
    journal      = {Expert Syst. Appl.},
    volume       = {37},
    number       = {6},
    pages        = {4710-4712},
    doi          = {10.1016/j.eswa.2009.11.083},
    identifier   = {50104665},
}