@article{IR,
      author = {Porter, Harry H., III},
      url = {http://digitalcollections.ohsu.edu/record/3824},
      title = {Earley deduction},
      abstract = {cse-86-002},
      number = {IR},
      doi = {https://doi.org/10.6083/4m90dv80g},
      recid = {3824},
      address = {1986},
}