@techreport{
    Kahra2005,
    author = {K\"ahr\"a, Petri and Hollm\'en, Jaakko and Karling, Satu and Kujala, Jaakko and Kuosmanen, Petri and Lindqvist, Janne},
    optmonth = "",
    responsibleperson = "Jaakko Hollm\'en",
    title = {Opinn\"aytety\"on ohjaus Teknillisess\"a korkeakoulussa},
    optnote = "",
    optaddress = "",
    opttype = "",
    number = "28/2005",
    optannote = "",
    optkey = "",
    year = "2005",
    institution = "Metrology Research Institute, Helsinki University of Technology"
}