Pytasz o publikację: 40Ar/39Ar and K-AR geochronology and tectonic significance of the Upper Cretaceous Adel Mountain Volcanics and spatially associated Teriary igneous rocks, Northwestern Montana / by Stephen S. Harlan [et al.]. Reston, Virginia : U.S. Department of the Interior : U.S. Geological Survey, 2005. 37/2014/73.