@techreport{
    Ilin08techrep,
    author = "Ilin, Alexander and Raiko, Tapani",
    title = "Practical Approaches to Principal Component Analysis in the Presence of Missing Values",
    address = "Espoo, Finland",
    number = "TKK-ICS-R6",
    flags = "copy AIRC",
    year = "2008",
    pdf = "tkk-ics-r6.pdf",
    impactfactor = "E",
    institution = "Helsinki University of Technology, TKK reports in information and computer science"
}