@phdthesis {PHD-201206-Hulette,
   type = {Dissertation Defense},
   author = {Geoffrey C. Hulette},
   title = {Twig: A Configurable Domain-Specific Language},
   school = {College of Arts and Sciences, University of Oregon},
   month = 6,
   year = 2012,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/PHD-201206-Hulette.pdf}},
}