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   "Newly Developed 6mm Buttons for the BPMs in the ESRF Low-Emittance-Ring",
   in Proc. 3rd International Beam Instrumentation Conference, Monterey, CA, USA, paper TUPF14, pp. 346–350,
    ISBN: 978-3-95450-141-0,
    \url{http://jacow.org/IBIC2014/papers/tupf14.pdf},
    2014.