The use of cation-cation and anion-anion bonds to augment the bond-valence model Wander, M. C. F. ; Bickmore, B. R. ; Davis, M. ; Johansen, W. J. ; Andros, C. ; Lind, L. Abstract Publication: American Mineralogist Pub Date: January 2015 DOI: 10.2138/am-2015-4810 Bibcode: 2015AmMin.100..148W