@misc{
    Niemela90:annual_ini,
    author = {Niemel{\"a}, Ilkka},
    title = "Annual Report for the Year 1990",
    month = "",
    note = "",
    flag = "copy",
    year = "1991",
    howpublished = "Helsinki University of Technology, Digital Systems Laboratory, Espoo, Finland"
}
AUTHORS:
