Oscillation of the scattering time in a 2d electron system with oval antidots - Gusev, Guennadii Michailovich; Kleber, X; Gennser, U; Maude, D K; Portal, J C; Lubyshev, D I; Basmaji, Pierre; Silva, M P A; Rossi, J C; Nastaushev, Y V; Baklanov, M R (Solid State Electronics, 1996)