The temperature dependence of the structures of RbCaF3, and the determination of the low temperature phases A. Bulou, C. Ridou, M. Rousseau, J. Nouet et A.W. HewatJ. Phys. France, 41 1 (1980) 87-96DOI: https://doi.org/10.1051/jphys:0198000410108700
