@misc{1167186,
  author = {A G Roberts},
  title = {Properties of plastic films for use as waterproofing materials in underground heat distribution systems:},
  year = {1958},
  month = {1958-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.5967},
  language = {en},
}