@misc{47441,
  author = {B Son},
  title = {Fire Endurance Test of a Roof/Ceiling Construction of Paper Honeycomb and Gypsum Board. Final Report. Revision of NBS-10405.},
  year = {1973},
  month = {1973-01-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}