@phdthesis{
    Lehtimaki2008,
    author = "Lehtimäki, Pasi",
    publisher = "Helsinki University of Technology, Faculty of Information and Natural Sciences, Department of Information and Computer Science. TKK-ICS-D1",
    title = "Data Analysis Methods for Cellular Network Performance Optimization. Doctoral Dissertation",
    url = "http://lib.tkk.fi/Diss/2008/isbn9789512292837/",
    address = "Espoo",
    year = "2008",
    owner = "MM",
    impactfactor = "O1"
}