Keller Egbert, Krämer Volker
Kristallographisches Institut der Universität Freiburg, Hermann-Herder-Strasse 5, D-79104 Freiburg, Germany.
Acta Crystallogr B. 2006 Jun;62(Pt 3):411-6. doi: 10.1107/S0108768106009335. Epub 2006 May 15.
Expectation values for size differences between pairs of "ions" (atoms in oxidation states =/= 0) embedded into similar coordination environments are calculated from tables of bond-valence parameters and ionic radii.