RAMAN STUDY OF THE ANHARMONICITY AND DISORDER-INDUCED EFFECTS IN Ga1-xAlxAs B. Jusserand, J. Sapriel, F. Alexandre et P. DelpechJ. Phys. Colloques, 42 C6 (1981) C6-43-C6-45DOI: https://doi.org/10.1051/jphyscol:1981612