@misc{indiciae3a05d3bb12c6,
  title = {NASA Subsonic Rotary Wing Project - Structures and Materials Discipline},
  author = {Halbig, Michael C. and Johnson, Susan M.},
  year = {2008},
  url = {https://ntrs.nasa.gov/citations/20130013122},
  note = {Source identifier: 20130013122}
}