1. Alexander Jr. , E. C. G. M. Michelson M. A. Lanphere MMhb-1 = A new 40 Ar/ 39 Ar dating standard Fourth International Conference ob Geochronology, Cosmochronology, and Isotope Geology R. E. Zartman 6 8 1978
2. Upper-mantle reflectivity beneath the Williston basin phase-change Moho, and the origin of intracratonic basins;Baird;Geology,1995
3. 40Ar/39Ar thermochronology of Precambrian metamorphic rocks north of the Harney Peak Granite, Black Hills, South Dakota;Berry;Geol. Soc. Am. Abstr. Programs,1994
4. Proterozoic collisional tectonism in the Trans-Hudson orogen, Saskatchewan;Bickford;Geology,1990