N. Hubert \emph{et al.},
   "Design of a New Blade-Type XBPM",
   in Proc. 3rd International Beam Instrumentation Conference, Monterey, CA, USA, paper WEPD22, pp. 687–690,
    ISBN: 978-3-95450-141-0,
    \url{http://jacow.org/IBIC2014/papers/wepd22.pdf},
    2014.