@article{ETD,
      school = {M.S.},
      author = {Ward, Karen and },
      url = {http://digitalcollections.ohsu.edu/record/123},
      title = {A speech act model of air traffic control dialogue},
      publisher = {Oregon Graduate Institute of Science and Technology},
      number = {ETD},
      doi = {https://doi.org/10.6083/M43B5X3M},
      recid = {123},
      address = {1992},
}