R. Takai \emph{et al.},
   "Design and Initial Commissioning of Beam Diagnostics for the KEK Compact ERL",
   in Proc. 3rd International Beam Instrumentation Conference, Monterey, CA, USA, paper MOCYB2, pp. 7–11,
    ISBN: 978-3-95450-141-0,
    \url{http://jacow.org/IBIC2014/papers/mocyb2.pdf},
    2014.