@misc{1149931,
  author = {Robert L Gladhill and Paul R Martin},
  title = {Acoustical testing services::requirements for accreditation},
  year = {1990},
  month = {1990-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.4428},
  language = {en},
}