@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}
}
@book{HardtMuellerBergetal.1980,
  author    = {Hardt, Arno and M{\"u}ller, Gerhard and Berg, G. P. and Kelleter, H.-J.},
  title     = {Aufbau eines Plastikszintillationsz{\"a}hlers f{\"u}r den Magnetspektrographen "BIG KARL" am J{\"u}licher Zyklotron "JULIC". M{\"u}ller, Gerhard; Berg , G. P.; Hardt, A.; Kelleter, H.-J.; Martin, S.-A.; Meissburger, J.},
  publisher = {Kernforschungsanlage J{\"u}lich},
  address   = {J{\"u}lich},
  pages     = {37 S.},
  year      = {1980},
  language  = {de}
}
@article{MartinHardtMeissburgeretal.1983,
  author    = {Martin, Siegfried A. and Hardt, Arno and Meissburger, J{\"u}rgen and Berg, Georg P. A. and Hacker, Ulrich and H{\"u}rlimann, Werner and R{\"o}mer, Josef G. M. and Sagefka, Thomas and Retz, Adolf and Schult, Otto W. B.},
  title     = {The QQDDQ magnet spectrometer "BIG KARL"},
  series = {Nuclear instruments and methods in physics research. Vol. 214, iss. 2-3},
  journal   = {Nuclear instruments and methods in physics research. Vol. 214, iss. 2-3},
  issn      = {0029-554x (E-Journal); 1872-9606 (E-Journal); 0167-5087 (Print)},
  pages     = {281 -- 303},
  year      = {1983},
  language  = {en}
}
@article{BergDemarteauHardtetal.1982,
  author    = {Berg, G. P. A. and Demarteau, M. and Hardt, Arno and H{\"u}rlimann, W. and Martin, S. A. and Meissburger, J. and Oelert, W. and Seyfart, H. and Styczen, B. and K{\"o}hler, M. and Oelrich, I. and Scheerer, J.},
  title     = {High resolution spectroscopy of 102Ru(d, p)103Ru and 104Ru(p, d)103Ru reactions},
  series = {Nuclear Physics A. Vol. 379, iss. 1},
  journal   = {Nuclear Physics A. Vol. 379, iss. 1},
  issn      = {1873-1554 (E-Journal); 0375-9474 (Print)},
  pages     = {93 -- 109},
  year      = {1982},
  language  = {en}
}