@article{MartinHardtMeissburgeretal.2013,
  author    = {Siegfried A. Martin and Arno Hardt and J{\"u}rgen Meissburger and Georg P. A. Berg and Ulrich Hacker and Werner H{\"u}rlimann and Josef G. M. R{\"o}mer and Thomas Sagefka and Adolf Retz and Otto W. B. Schult},
  title     = {The QQDDQ magnet spectrometer "BIG KARL"},
  journal   = {Nuclear instruments and methods in physics research. Vol. 214, iss. 2-3},
  pages     = {281 -- 303},
  year      = {2013},
}