@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}
}
@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}
}
@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}
}