Dallmeyer, R. D., Gee, D. G., & Beckholmen, M. (1985). 40 Ar/ 39 Ar mineral age record of early Caledonian tectonothermal activity in the Baltoscandian Miogeocline, central Scandinavia. American Journal of Science, 285(6), 532–568. https://doi.org/10.2475/ajs.285.6.532