R.H. Verschure, I.S. Oen, and P.A.M. Andriessen, “Isotopic age-determinations in Bergslagen, Sweden: VIII. Sveconorwegian Rb-Sr resetting and anomalous radiogenic argon in the Gothian Trans- Scandinavian Smaland-Varmland Granitic Belt and bordering parts of the Svecokarelian Bergslagen Region”, njg, pp. 111-120, Jan. 1987.