CYCLOTRON-RESONANCE OF HIGH-MOBILITY GAAS/ALGAAS(311) 2DHGS - Hawksworth, S; Hill, S; Janssen, T; Chamberlain, J; Singleton, J; Ekenberg, U; Summers, G; Davies, G; Nicholas, R; Valadares, E; Henini, M; Perenboom, J (1993)