@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{HardtBisplinghoffErnstetal.1977,
  author    = {Hardt, Arno and Bisplinghoff, J. and Ernst, J. and L{\"o}hr, R.},
  title     = {On-line apparatus BANDIT for half-life determination of short-lived neutron deficient isotopes. A. Hardt, J. Bisplinghoff, J. Ernst, R. L{\"o}hr, H. Machner, T . Mayer-Kuckuk},
  series = {Nuclear Instruments and Methods. 143 (1977), H. 3},
  journal   = {Nuclear Instruments and Methods. 143 (1977), H. 3},
  isbn      = {0029-554X},
  pages     = {519 -- 523},
  year      = {1977},
  language  = {en}
}
@article{HardtKoehlerMuelleretal.1980,
  author    = {Hardt, Arno and K{\"o}hler, M. and M{\"u}ller, K. D. and Stoff, H.},
  title     = {A two-dimensional position sensitive charged-particle detector for the magnetic spectrograph "BIG KARL" of the J{\"u}lich Cyclotron "JULIC". M. K{\"o}hler, K. D. M{\"u}ller, H. Stoff, M. Teske, G. P. A. Berg, A. Hardt, S. Martin, C. Mayer-B{\"o}ricke , J. Meißburger},
  series = {Nuclear Instruments and Methods. 75 (1980), H. 2-3},
  journal   = {Nuclear Instruments and Methods. 75 (1980), H. 2-3},
  isbn      = {0029-554X},
  pages     = {357 -- 362},
  year      = {1980},
  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}
}
@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}
}
@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}
}