MAGNETO - OPTICAL EFFECTS IN THE IMPURITY SPECTRAL REGION OF CdCr2Se4 P. Hlídek, M. Zvára, V. Prosser et S. UnterrickerJ. Phys. Colloques, 41 C5 (1980) C5-335-C5-337DOI: https://doi.org/10.1051/jphyscol:1980556