(24): 8955–8965. ISSN 1477-9226. doi:10.1039/C9DT01194C. Spear, Frank S.; Cheney, John T. A petrogenetic grid for pelitic schists in the system SiO2-Al2O3-FeO-MgO-K2O-H2O
互联网档案馆的存檔,存档日期2006-12-07.. Retrieved on 2006-11-15. Vice President Dick Cheney provided tie breaking vote, giving Republicans a majority Finkelman, Paul