@mastersthesis{
    Sjoberg2006,
    author = {Sj{\"o}berg, Mats},
    picsom = "+mats",
    school = "Laboratory of Computer and Information Science, Helsinki University of Technology",
    title = "Content-based retrieval of hierarchical objects with {PicSOM}",
    flags = "AIRC CBIR public",
    year = "2006",
    pdf = "thesis-sjoberg.pdf"
}