@TechReport{BerGHV11,
  author =	 {Timo Berthold and Gleixner, Ambros M.\ and Stefan Heinz
                  and Stefan Vigerske},
  title =	 {On the computational impact of {MIQCP} solver components},
  type =	 {ZIB-Report},
  institution =	 {Zuse Institute Berlin},
  year =	 {2011},
  number =	 {11-01}
}