@misc{1150861,
  author = {Kari K Harper},
  title = {NVLAP acoustical testing services:},
  year = {2018},
  month = {2018-11-01 04:11:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.HB.150-8-2018},
  language = {en},
}