Parthé, E. Max Planck Institute for Chemical Physics of Solids, Max Planck Society;
Parthé, E. (2005). Calculation of the BO3 triangle to BO4(PO4) tetrahedron ratio for borates and borophosphates based on the O bond numbers in the anion complexes. Zeitschrift für Kristallographie, 220(7), 596-605. doi:10.1524/zkri.220.7.596.67108.