Seismic records from the US nuclear explosion faultless 19.1.1968, obtained at Hagfors temporary seismological station in Sweden Dahlman O Försvarets forskningsanstalt (FOA) 1968-11
International seismological stations for monitoring a comprehensive test ban treaty Dahlman O · Israelsson H Försvarets forskningsanstalt (FOA) 1980-06-01 Öppna sammanfattning