@phdthesis{
    Venna07,
    author = "Venna, Jarkko",
    school = "Helsinki University of Technology, Dissertations in Computer and Information Science, Report D20",
    title = "Dimensionality Reduction for Visual Exploration of Similarity Structures",
    url = "http://lib.tkk.fi/Diss/2007/isbn9789512287529/",
    address = "Espoo, Finland",
    year = "2007",
    owner = "MM",
    impactfactor = "G5"
}