T. Helm, M. V. Kartsovnik, I. Sheikin, M. Bartkowiak, F. Wolff-fabris, N. Bittner, W. Biberacher, M. Lambacher, A. Erb, J. Wosnitza, R. Gross: Magnetic Breakdown in the Electron-Doped Cuprate Superconductor Nd2-xCexCuO4: The Reconstructed Fermi Surface Survives in the Strongly Overdoped Regime. 2010Physical Review Letters: 105. ISBN 0031-9007 http://dx.doi.org/10.1103/PhysRevLett.105.247002