@book{BergGaulHagedoornetal.1984,
  author    = {Berg, G. and Gaul, G. and Hagedoorn, H. and Hardt, Arno and Heide, J. A. van der and Hinterberger, F. and Huber, Max and Jahn, R. and Martin, S. and Mayer-Kuckuk, T. and Osterfeld, F. and Paetz gen. Schieck, H. and Prasuhn, D. and Riepe, G. and Rogge, M. and Rossen, P. von and Schult, O. W. B. and Speth, J. and Turek, P.},
  title     = {Studie zum Bau eines kombinierten K{\"u}hler-Synchrotron-Rings an der KFA J{\"u}lich: COSY-Studie. Spezielle Berichte der Kernforschungsanlage J{\"u}lich. Nr. 0242. J{\"u}l-Spez-242},
  publisher = {Kernforschungsanlage},
  address   = {J{\"u}lich},
  pages     = {65 S.},
  year      = {1984},
  language  = {de}
}
@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}
}