@article{Poppe2010,
  author    = {Erich Poppe},
  title     = {Celtic influence on English relative clauses?},
  journal   = {The Celtic Englishes IV : the interface between English and the Celtic languages ; proceedings of the fourth international colloquium on the "Celtic Englishes" held at the University of Potsdam in Golm (Germany) from 22-26 September 2004},
  pages     = {191 -- 211},
  year      = {2010},
}