@article{IR,
      author = {Graefe, Goetz},
      url = {http://digitalcollections.ohsu.edu/record/3876},
      title = {Encapsulation of parallelism in the volcano query  processing system},
      abstract = {cse-89-007},
      number = {IR},
      doi = {https://doi.org/10.6083/zs25x877c},
      recid = {3876},
      address = {1989},
}