Paper  bibtex   

@unpublished{barros.vicente2009,
  author = {Matt Barros and Luis Vicente},
  date = {2009-11-12},
  note = {Handout at ZAS in Berlin},
  title = {Backward \ldots Ellipsis?},
  url = {https://www.researchgate.net/profile/Matt_Barros/publication/242554895_Backwardellipsis},
}