Tittonen, I.Breitenbach, G.Kalkbrenner, T.Müller, T.Conradt, R.Schiller, S.Steinsland, E.Blanc, N.de Rooij, N. F.2009-05-122009-05-122009-05-12199910.1103/PhysRevA.59.1038https://infoscience.epfl.ch/handle/20.500.14299/39950Interferometric measurements of the position of a macroscopic body: Towards observation of quantum limitstext::journal::journal article::research article