Disorder induced coherence-incoherence crossover in Random GaAs/AlGaAs superlattices - Pusep, Yuri A; Ribeiro, M. B.; Arakaki, Haroldo; Souza, Carlos Alberto de; Malzer, S.; Dohler, G. H. (International Conference on High Magnetic Fields in Semiconductor Physics - SemiMag, 2004)