@techreport{
    Honkela96tr,
    author = "Honkela, Timo and Kaski, Samuel and Lagus, Krista and Kohonen, Teuvo",
    year = "1996",
    number = "A32",
    institution = "Helsinki University of Technology, Laboratory of Computer and Information Science",
    address = "Espoo, Finland",
    title = "Newsgroup exploration with {WEBSOM} method and browsing interface"
}