@misc{indiciae1700f08a0de3,
  title = {Low-frequency noise reduction of spacecraft structures},
  author = {Apfel, R. E. and Dietrich, C. W. and Lyon, R. H. and Pyle, R. W. JR. and Ungar, E. E.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660027853},
  note = {Source identifier: 19660027853}
}