NONLINEAR OPTICAL EFFECTS AT THE FUNDAMENTAL ABSORPTION-EDGE OF WIDE-GAP II-VI SEMICONDUCTORS F. HENNEBERGER, J. PULS, H. ROSSMANN, M. KRETZSCHMAR, C. SPIEGELBERG et A. SCHÜLZGENJ. Phys. Colloques, 49 C2 (1988) C2-91-C2-96DOI: https://doi.org/10.1051/jphyscol:1988220