Periodic conductance fluctuations and stable orbits in mesoscopic semiconductor billiardsJ. P. Bird, D. K. Ferry, R. Akis, Y. Ochiai, K. Ishibashi, Y. Aoyagi and T. SuganoEurophys. Lett., 35 7 (1996) 529-534DOI: https://doi.org/10.1209/epl/i1996-00146-1