Reduction of structural Fe(III) in nontronite by methanogen Methanosarcina barkeri - Liu, D.; Dong, Hailiang; Bishop, M.E.; Wang, Hongfang; Agrawal, A.; Tritschler, S.; Eberl, D.; Xie, S. (Geochimica et Cosmochimica Acta, 2011)