@inproceedings{Sauerland2005,
  author    = {Uli Sauerland},
  title     = {The epistemic step},
  booktitle = {Experimental Pragmatics, Cambridge University, Cambridge, UK. April 2005},
  url       = {http://www.zas.gwz-berlin.de/mitarb/homepage/sauerland/cambridge.pdf},
  year      = {2005},
}