QUASI-BOUND STATES IN AN ASYMMETRIC GaAs-AlAs SUPERLATTICE J. SINGLETON, R. J. NICHOLAS, N. J. PULSFORD, N. R. COUCH et M. J. KELLYJ. Phys. Colloques, 48 C5 (1987) C5-435-C5-437DOI: https://doi.org/10.1051/jphyscol:1987592