1. Vth European conference on Solid State Chemistry, Montpellier, France, sept. 4-7, B 39 (1995) 312
2. Thesis, University of Limoges 1987
3. A fully automatic program for finding the unit cell from powder data
4. SHELXTL PC Version 4.1, An integrated system for solving, refining and displaying crystal structures from diffraction data, Siemens Analytical X-ray Instruments, Inc. Madison, WI (1988)
5. SHELXL-93, Program for refinement of crystal structures, University of G�ttingen, Germany (1993)