@misc{1199791,
  author = {Daniel R Flynn and David J Evans and Thomas W Bartel},
  title = {An acoustical technique for evaluation of thermal insulation:},
  year = {1989},
  month = {1989-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.88-3882},
  language = {en},
}