RAMAN SCATTERING BY ACOUSTIC PHONONS AND STRUCTURAL PROPERTIES OF FIBONACCI, THUE-MORSE AND RANDOM SUPERLATTICES R. MERLIN, K. BAJEMA, J. NAGLE et K. PLOOG J. Phys. Colloques, 48 C5 (1987) C5-503-C5-506 DOI: 10.1051/jphyscol:19875107