@misc{indiciaed78f81bcfeeb,
  title = {Engine isolation for structural-borne interior noise reduction in a general aviation aircraft},
  author = {Unruh, J. F. and Scheidt, D. C.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810017230},
  note = {Source identifier: 19810017230}
}