@article{BechstedtHaasHackeretal.1985,
  author    = {Bechstedt, U. and Haas, H. and Hacker, U. and Hardt, Arno and Henn, K. and Martin, S. and Wimmer, J.},
  title     = {Magnets for the German Spallation Source SNQ},
  series = {IEEE transactions on nuclear science. Vol. 32, iss. 5},
  journal   = {IEEE transactions on nuclear science. Vol. 32, iss. 5},
  issn      = {1558-1578 (E-Journal); 0018-9499 (Print)},
  pages     = {3631 -- 3633},
  year      = {1985},
  language  = {en}
}
@inproceedings{MartinBergHardtetal.1979,
  author    = {Martin, S. and Berg, G. and Hardt, Arno and H{\"u}rlimann, W. and K{\"o}hler, M. and Meißberger, J. and Sagefka, T. and Schult, O. W. B.},
  title     = {First experience with the magnet spectrometer 'BIG KARL'},
  series = {Use of magnetic spectrometers in nuclear physics : proceedings of the Daresbury study weekend 10 - 11 March 1979},
  booktitle = {Use of magnetic spectrometers in nuclear physics : proceedings of the Daresbury study weekend 10 - 11 March 1979},
  editor    = {Sanderson, N. E.},
  publisher = {Daresbury Lab.},
  address   = {Daresbury},
  pages     = {38 -- 42},
  year      = {1979},
  language  = {en}
}
@inproceedings{HardtAbdelGawadMartinetal.1975,
  author    = {Hardt, Arno and Abdel-Gawad, A and Martin, S. and Reich, J.},
  title     = {Design procedures for the Juelich QQDDQ high resolution spectrometer},
  series = {Proceedings, 5th International Conference on Magnet Technology (MT-5) : Rome, Italy, April 21-25, 1975},
  booktitle = {Proceedings, 5th International Conference on Magnet Technology (MT-5) : Rome, Italy, April 21-25, 1975},
  pages     = {45 -- 51},
  year      = {1975},
  language  = {en}
}
@incollection{BechstedtBergHackeretal.1995,
  author    = {Bechstedt, U. and Berg, Georg P. A. and Hacker, U. and Hardt, Arno and H{\"u}rlimann, W. and Maier, R. and Martin, S. and Meissburger, J. and R{\"o}mer, J. G. M. and Possen, P. von and Sagefka, T.},
  title     = {BIG KARL and COSY},
  series = {The art and science of magnet design. A Festschrift in honor of Klaus Halbach. Vol. 1},
  booktitle = {The art and science of magnet design. A Festschrift in honor of Klaus Halbach. Vol. 1},
  publisher = {Lawrence Berkeley Lab., Univ. of California},
  address   = {Berkeley, CA.},
  pages     = {19 -- 28},
  year      = {1995},
  language  = {en}
}