@article{NaumannAntonBocketal.2003,
  author    = {J. Naumann and G. Anton and A. Bock and P. Grabmayr and K. Helbing and B. Kiel and D. Menze and T. Michel and S. Proff and M. Sauer and M. Schumacher and T. Speckner and W. Weihofen and G. Zeitle},
  title     = {A photon tagging system for the GDH-Experiment at ELSA},
  journal   = {Nuclear Instruments and Methods in Physics Research},
  number    = {A 498},
  pages     = {211 -- 219},
  year      = {2003},
}