Staudacher, T., Jessberger, E., Dominik, B., Kirsten, T. and Schaefferh, O. 1982. Ar-40-Ar-39 ages of rocks and glasses from the Noerdlinger Ries Crater and the temperature history of impact breccias. Journal of Geophysics. 51, 1 (Jul. 1982), 1-11.