@article{IR,
      author = {Graefe, Goetz},
      url = {http://digitalcollections.ohsu.edu/record/3880},
      title = {Heap-filter merge Join: a new algorithm for joining  medium-size relations},
      abstract = {cse-89-012},
      number = {IR},
      doi = {https://doi.org/10.6083/1v53jx23b},
      recid = {3880},
      address = {1989},
}