OPTICAL STUDY ON BAND EDGE OFFSET IN STRAINED MBE GROWN (InGa)As-GaAs AND (InGa)As-(AlGa)As QUANTUM WELLS T.G. ANDERSSON, V. KULAKOVSKI, Z.-G. CHEN, A. UDDIN, J. VALLIN et J. WESTIN J. Phys. Colloques, 48 C5 (1987) C5-163-C5-167 DOI: 10.1051/jphyscol:1987532