@article{Poppe1986,
  author    = {Martin Poppe},
  title     = {Exclusive Hadron Production in Two-Photon Reactions},
  journal   = {International Journal of Modern Physics A},
  volume    = {1},
  number    = {3},
  pages     = {545 -- 668},
  doi       = {10.1142/S0217751X8600023X},
  year      = {1986},
}