{"id":"001408378","type":"book","title":"On the metrology of Birka and early Sigtuna","publisher":"Verlag des Römisch-Germanischen Zentralmuseums","publisher-place":"Mainz","pages":"127-136","container-title":"Archäologisches Korrespondenzblatt, 44 (2014","author":[{"family":"Schultzen","given":"Joakim M."}],"issued":{"raw":"2014"}}