@article{HammonStoeckerGreiner2005,
  author    = {Nils Hammon and Horst St{\"o}cker and Walter Greiner},
  title     = {Gluon versus sea quark shadowing},
  journal   = {Physics Letters B},
  volume    = {448},
  pages     = {290 -- 294},
  year      = {2005},
}