@unpublished{SpielesBleicherJahnsetal.2006,
  author  = {Christian Spieles and Marcus Bleicher and Andr{\´e} Jahns and Raffaele Mattiello and Heinz Sorge and Horst St{\"o}cker and Walter Greiner},
  title   = {Antibaryons in massive heavy ion reactions : importance of potentials},
  institution = {Physik},
  year    = {2006},
}