@misc{1188956,
  author = {William J Parker},
  title = {Fire endurance tests on walls and plumbing chases containing either metallic or nonmetallic drain waste and vent systems:},
  year = {1973},
  month = {1973-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.74-449},
  language = {en},
}