@unpublished{BratkovskayaKostyukCassingetal.2005,
  author  = {Elena L. Bratkovskaya and Andriy P. Kostyuk and Wolfgang Cassing and Horst St{\"o}cker},
  title   = {Charmonium chemistry in A+A collisions at relativistic energies},
  institution = {Physik},
  year    = {2005},
}