@incollection{BechstedtBergHackeretal.2013,
  author    = {U. Bechstedt and Georg P. A. Berg and U. Hacker and Arno Hardt and W. H{\"u}rlimann and R. Maier and S. Martin and J. Meissburger and J. G. M. R{\"o}mer and P. von Possen and T. Sagefka},
  title     = {BIG KARL and COSY},
  booktitle = {The art and science of magnet design. A Festschrift in honor of Klaus Halbach. Vol. 1},
  year      = {2013},
}