Kniep, R. Rüdiger Kniep, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;
Baykal, A., Kizilyalli, M., Gözel, G., & Kniep, R. (2000). Synthesis of Strontium Borophosphate, SrBPO5 by Solid State and Hydrothermal Methods and Characterisation. Crystal Research and Technology, 35(3), 247-254. doi:10.1002/1521-4079(200003)35:3<247:AID-CRAT247>3.0.CO;2-9.