ANHARMONIC CONTRIBUTIONS TO THE THERMAL DIFFUSE X-RAY SCATTERING INTENSITY FROM SINGLE CRYSTALLINE SODIUM G. Fritsch, W. Dietz, R. Häring et E. LüscherJ. Phys. Colloques, 42 C6 (1981) C6-143-C6-145DOI: https://doi.org/10.1051/jphyscol:1981643