@article{RadfordFelserBoxell2012,
  author    = {Andrew Radford and Claudia Felser and Oliver Boxell},
  title     = {Preposition copying and pruning in present-day English},
  journal   = {English language and linguistics},
  volume    = {16},
  number    = {2},
  pages     = {403 -- 426},
  doi       = {10.1017/S1360674312000172},
  year      = {2012},
}