@Article{Abdel-Hafez1989,
  author = {A. M. Abdel-Hafez and A. M. M. Abu-Sitta and A. S. F. Obada},
  title  = {A generalized Jaynes-Cummings model for the N-level atom and (N - 1) modes},
  journal = {Physica A: Statistical and Theoretical Physics},
  year   = {1989},
  number = {2},
  url    = {http://www.sciencedirect.com/science/article/B6TVG-46DF7GT-GG/1/e82d054a8045184904b9938aee9a6745},

  const  = {\ text}
}
@Article{journals/corr/cs-DC-0306027,
  author = {I. Augustin and F. Carminati and Joel Closier and Eric van Herwijnen and J. J. Blaising and D. Boutigny and C. Charlot and Vincent Garonne and Andrei Tsaregorodtsev and K. Bos and Jeffrey Templon and P. Capiluppi and A. Fanfani and Roberto Barbera and Guido Negri and Laura Perini and Silvia Resconi and M. Sitta and Mario Reale and D. Vicinanza and S. Bagnasco and P. Cerello and A. Sciaba and Oxana Smirnova and D. Colling and F. Harris and Stephen Burke},
  title  = {HEP Applications Evaluation of the EDG Testbed and Middleware},
  journal = {CoRR},
  year   = {2003},
  number = {},
  url    = {http://dblp.uni-trier.de/db/journals/corr/corr0306.html#cs-DC-0306027},

  const  = {\ text}
}
@Article{Obada1978,
  author = {A. S. F. Obada and A. M. M. Abu-Sitta},
  title  = {Electric- and magnetic-dipole contributions to the reaction field theory},
  journal = {Physica A: Statistical and Theoretical Physics},
  year   = {1978},
  number = {1-2},
  url    = {http://www.sciencedirect.com/science/article/B6TVG-46FX22F-M/1/25f4f063a14778b1265462cc4d530591},

  const  = {\ text}
}
@Article{Obada1985,
  author = {A. S. F. Obada and A. M. M. Abu-Sitta and F. K. Faramawy},
  title  = {On the generalized linear response functions},
  journal = {Physica A: Statistical and Theoretical Physics},
  year   = {1985},
  number = {1-2},
  url    = {http://www.sciencedirect.com/science/article/B6TVG-46DF7DN-FM/1/abe618b91b2cd607f7e8d6ea1c77a040},

  const  = {\ text}
}