NUMERICAL ANALYSIS OF ELECTRO-OPTIC EFFECTS IN SUPERLATTICES COMPARISON WITH PHOTOREFLECTANCE RESULTS J.A. CAVAILLES, M. ERMAN et P. FRIJLINK J. Phys. Colloques, 49 C2 (1988) C2-97-C2-100 DOI: 10.1051/jphyscol:1988221