{"id":"001024093","type":"book","title":"External radon disturbance of 14C measurements in gasproportional counters","publisher-place":"Tucson, Arizona","pages":"759-765","container-title":"15th International Radiocarbon Conference, Glasgow, Scotland, 15-19 august 1994","author":[{"family":"Hedberg","given":"Magnus"}],"issued":{"raw":"1995"}}