@techreport{
    Kohonen96a30,
    author = "Kohonen, Teuvo and Hynninen, Jussi and Kangas, Jari and Laaksonen, Jorma and Torkkola, Kari",
    title = "{LVQ\_PAK}: {T}he {L}earning {V}ector {Q}uantization Program Package",
    number = "A30",
    month = "January",
    year = "1996",
    type = "Report",
    institution = "Helsinki University of Technology, Laboratory of Computer and Information Science"
}