EXCITONS IN SMALL PERIOD GaAs/GaAlAs SUPERLATTICES B. LAMBERT, A. CHOMETTE, F. CLEROT, B. DEVEAUD, A. REGRENY and G. BASTARD J. Phys. Colloques, 48 C5 (1987) C5-533-C5-536 DOI: 10.1051/jphyscol:19875114