1. A. Boireau, B. Darriet, J. Grannec, P. Gravereau, N. Ruchaud, A. Tressaud, F. Weill, 1992, IVth European Conference on Solid State Chemistry, Dresden, C41
2. TREOR, a semi-exhaustive trial-and-error powder indexing program for all symmetries
3. J. Laugier, A. Filhol, 1978, program CELREF
4. J. Rodriguez-Carvajal, 1994, program Fullprof