@article{ZimmermannBreterRudolphetal.1994,
  author    = {Wolfgang Zimmermann and Holger Breter and Michael Rudolph and Hanns Ludwig},
  title     = {Borna disease virus : immunoelectron microscopic characterization of cell-free virus and further information about the genome},
  url       = {http://jvi.asm.org/},
  year      = {1994},
}