@periodical{ title = "Årbok ...", author = "", year = "1952-", publisher = "Foreningen", publisher = "Grøndahl", address = "Oslo", language = "nor", howpublished = "print", issn = "0071-7436", note = "98700496", keywords = "Zeitschrift", note = "Herausgebendes Organ anfangs: Foreningen til norske fortidsminnesmerkers bevaring; teils: The Society for the Preservation of Norwegian Ancient Monuments", }