Affiliation: | 1. Department of Physics, Sam Houston State University, Huntsville, Texas 77341-2267, USA Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA;2. Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, USA;3. Institute of Geochemistry, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria |