Measurement Back-Action in Quantum Point-Contact Charge Sensing. - Bruno Küng; Simon Gustavsson; Theodore Choi; Ivan Shorubalko; Oliver Pfäffli; Fabian Hassler; Gianni Blatter; Matthias Reinwald; Werner Wegscheider; Silke Schön; Thomas Ihn; Klaus Ensslin (Entropy, 2010)