[1] CNRS,CTR RECH SOLIDES ORG CRISTALLINE IMPARFAITE,F-45071 ORLEANS 02,FRANCE
[2] UNIV CAEN,INST SCI MATH & RAYONNEMENT,CATALYSE & SPECT,URA 414,F-14032 CAEN,FRANCE
[3] UNIV NANCY 1,SPECT VIBRAT LAB,F-54506 VANDOEUVRE NANCY,FRANCE
[4] CNRS,CTR THERMODYNAM & MICROCALORIMETRIE,F-13003 MARSEILLE,FRANCE
[5] CNRS,CTR RECH PHYSICOCHIM SURFACES SOLIDES,F-68200 MULHOUSE,FRANCE