@misc{1180826,
  author = {W Terry Hardgrave and Sandra B Salazar},
  title = {The positional set processor ::a tool for data modeling},
  year = {1981},
  month = {1981-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.81-2302},
  language = {en},
}