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