@misc{1165211,
  author = {J V Ryan and E C Tuma and W N Bettum},
  title = {Evaluation of refractory qualities of concretes for jet aircraft warm-up, power check maintenance aprons, and runways:},
  year = {1964},
  month = {1964-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.8342},
  language = {en},
}