1. Les propriétes physiques des solides sous pression, Grenoble 1969, Ed. CNRS, Paris 1970 (p. 199).
2. and , in: Proc. Internat. Conf. II-VI Semiconducting Compounds, Providence 1967, Ed. Wr. A. Benjamin, Inc., New York 1967 (p. 1090).
3. and , Phys. stat. sol., to be published.