@techreport{
    Kangas98,
    author = "Kangas, Jari and Kaski, Samuel",
    title = "3043 works that have been based on the Self-Organizing Map ({SOM}) method developed by {K}ohonen",
    address = "Espoo, Finland",
    number = "A49",
    month = "February",
    flags = "public",
    year = "1998",
    institution = "Helsinki University of Technology, Laboratory of Computer and Information Science"
}