Denham 1997

Denham, Kristin E. 1997. A Minimalist Account of Optional WH- Movement. (Doctoral dissertation, University of Washington).

http://www.uaf.edu/anla/record.pho?identifier=CA997D1997

@phdthesis{167887,
  author = {Denham, Kristin E},
  school = {University of Washington},
  title  = {A Minimalist Account of Optional WH- Movement},
  url    = {http://www.uaf.edu/anla/record.pho?identifier=CA997D1997},
  year   = {1997}
}