@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}
}
@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}
}
@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}
}
@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}
}
@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}
}
@inproceedings{MartinBergHardtetal.1979,
  author    = {Martin, S. and Berg, G. and Hardt, Arno and H{\"u}rlimann, W. and K{\"o}hler, M. and Meißberger, J. and Sagefka, T. and Schult, O. W. B.},
  title     = {First experience with the magnet spectrometer 'BIG KARL'},
  series = {Use of magnetic spectrometers in nuclear physics : proceedings of the Daresbury study weekend 10 - 11 March 1979},
  booktitle = {Use of magnetic spectrometers in nuclear physics : proceedings of the Daresbury study weekend 10 - 11 March 1979},
  editor    = {Sanderson, N. E.},
  publisher = {Daresbury Lab.},
  address   = {Daresbury},
  pages     = {38 -- 42},
  year      = {1979},
  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}
}
@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{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}
}