1. Germanium crystal chemistry in hematite and goethite from Apex Mine, Utah, and some data on germanium in aqueous solution and in stottite;Bernstein;Geochim. Cosmochim. Acta,1987
2. Mn-substituted goethite and Fe-substituted groutite synthesized at acid pH;Ebinger;Clays Clay Minerals,1989
3. Unit cell dimensions of pure and trace metal-associated goethites;Gerth;Geochim. Cosmochim. Acta,1989
4. An iterative, least-squares program to separate infrared absorption spectra into their component bands;Janik;CSIRO Div. of Soils Tech. Paper,1977
5. Acid dissolution of synthetic metal-containing goethites and hematites;Lim-nunez,1987