Brown and Dryer 2009/2013

Brown, Lea & Matthew Dryer. 2009/2013. [Data supplied by Lea Brown in 2009, and Matthew Dryer in 2013.].

@misc{9934,
  author = {Brown, Lea and Dryer, Matthew},
  title  = {[Data supplied by Lea Brown in 2009, and Matthew Dryer in 2013.]},
  year   = {2009/2013}
}