@book{HardtSchiffer1985,
  author    = {Hardt, Arno and Schiffer, Willi},
  title     = {Vermessung der statischen Eigenschaften eines dreidimensionalen Koordinatenmeßtisches / von W. Schiffer ; A. Hardt. [KFA, Kernforschungsanlage J{\"u}lich GmbH, Projekt Spallations-Neutronenquelle]},
  publisher = {Zentralbibliothek d. Kernforschungsanlage},
  address   = {J{\"u}lich},
  pages     = {65 S. : graph. Darst.},
  year      = {1985},
  language  = {de}
}
@book{Hardt1974,
  author    = {Hardt, Arno},
  title     = {Das Transportsystem BANDIT zur Messung von Halbwertszeiten kurzlebiger, neutronenarmer Isotope},
  publisher = {Univ.},
  address   = {Bonn},
  pages     = {59 S.},
  year      = {1974},
  language  = {de}
}
@book{Hardt1985,
  author    = {Hardt, Arno},
  title     = {Vermessung der dynamischen Eigenschaften eines dreiachsigen Koordinatenmesstisches},
  publisher = {Kernforschungsanlage J{\"u}lich},
  address   = {J{\"u}lich},
  pages     = {107 S.},
  year      = {1985},
  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}
}
@article{BarsovBechstedtHardt2001,
  author    = {Barsov, S. and Bechstedt, U. and Hardt, Arno},
  title     = {ANKE, a new facility for medium energy hadron physics at COSY-J{\"u}lich / S. Barsov [u.a.]},
  series = {Nuclear instruments and methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 462, iss. 3},
  journal   = {Nuclear instruments and methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. Vol. 462, iss. 3},
  issn      = {0167-5087 (Print) ; 0168-9002 (E-journal)},
  pages     = {364 -- 381},
  year      = {2001},
  language  = {en}
}
@article{BalewskiBrauksiepeHardt1997,
  author    = {Balewski, J. and Brauksiepe, S. and Hardt, Arno},
  title     = {Threshold measurements at the internal experimental facility COSY-11 / J. Balewski [u.a.]},
  series = {Nuclear physics A. Vol. 626, iss. 1-2},
  journal   = {Nuclear physics A. Vol. 626, iss. 1-2},
  issn      = {1873-1554 (E-Journal) ; 0375-9474 (Print)},
  pages     = {85 -- 92},
  year      = {1997},
  language  = {en}
}
@article{SchultSistemichHardt1995,
  author    = {Schult, O. W. B. and Sistemich, K. and Hardt, Arno},
  title     = {Plans for investigations of subthreshold K+ production in p+A collisions / O. W. B. Schult [u.a.]},
  series = {Nuclear Physics A. Vol. 583},
  journal   = {Nuclear Physics A. Vol. 583},
  issn      = {1873-1554 (E-journal); 0375-9474 (Print)},
  pages     = {629 -- 632},
  year      = {1995},
  language  = {en}
}
@article{MakovickaGaertnerHardtetal.1997,
  author    = {Makovicka, C. and G{\"a}rtner, G. and Hardt, Arno and Hermann, W. and Wiechert, D. U.},
  title     = {Impregnated cathode surface investigations by SFM/STM and SEM/EDX},
  series = {Applied surface science. Vol. 111},
  journal   = {Applied surface science. Vol. 111},
  issn      = {1873-5584 (E-Journal); 0169-4332 (Print)},
  pages     = {70 -- 75},
  year      = {1997},
  language  = {en}
}
@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}
}
@article{MartinBergHackeretal.1985,
  author    = {Martin, S. A. and Berg, G. P. A. and Hacker, U. and Hardt, Arno and K{\"o}hler, M. and Meißburger, J. and Osterfeld, F. and Prasuhn, D. and Riepe, G. and Rogge, M. and Schult, O. W. B. and Speth, J. and Turek, P. and Gaul, G. and Hagedoorn, H. and Heide, J. A. van der and Hinterberger, F. and Huber, M. and Jahn, R. and Mayer-Kuckuk, T. and Poth, H. and Paetz gen. Schieck, H.},
  title     = {COSY - a cooler synchrotron and storage ring},
  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     = {2694 -- 2696},
  year      = {1985},
  language  = {en}
}