Photoluminescence and photoreflectance studies on on 'DELTA'-doped 'IN IND.0.15''GA IND.0.85''AS' / 'GA''AS' quantum wells - Ceschin, A M; Quivy, Alain André; Soares, J A N T; Enderlein, R; Tabata, A; Scolfaro, L M R; Silva, Euzi Conceição Fernandes da; Leite, J. R.; Oliveira, J. B. B.; Meneses, E A (Superlattices and Microstrutuctures, 1994)