Magneto-oscillations in a trapezoidal two-dimensional electron gas grown over GaAs wires - Gusev, Guennadii Michailovich; La Scala, N; Lubyshev, D I; González-Borrero, P P; Silva, M A P; Basmaji, Pierre; Rossi, J C; Portal, J C (Superlattices and Microstructures, 1998)