RESONANT TUNNELING STUDIES OF VARIABLY SPACED MULTIPLE QUANTUM WELL STRUCTURES IN THE AlGaAs SYSTEM C.J. SUMMERS, K.F. BRENNAN, A. TORABI, H.M. HARRIS and J. COMAS J. Phys. Colloques, 48 C5 (1987) C5-457-C5-461 DOI: 10.1051/jphyscol:1987596