@misc{indiciae9f482ccc23d4,
  title = {Quick-Fit Trailer Coupling For A Grader},
  author = {Soper, Terry A. and Moulton, Calvin T.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920000103},
  note = {Source identifier: 19920000103}
}