@misc{1190166,
  author = {B C Son},
  title = {Fire endurance test of a roofceiling construction of paper honeycomb and gypsum board:},
  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.73-167},
  language = {en},
}