@unpublished{GerlandFrankfurtStrikmanetal.2005,
  author  = {Lars Gerland and Leonid Frankfurt and Mark Strikman and Horst St{\"o}cker and Walter Greiner},
  title   = {Charmonium suppression : interplay of hadronic and partonic degrees of freedom},
  institution = {Physik},
  year    = {2005},
}