@misc{1149966,
  author = {Mark E Palmer and Kent A Reed},
  title = {3D piping IGES application protocol::version 1.0},
  year = {1990},
  month = {1990-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.4420},
  language = {en},
}