@misc{indiciae60caaefbb6e6,
  title = {Sandblasting nozzle},
  author = {Perkins, G. S. and Pawlik, E. V. and Phillips, W. M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810016835},
  note = {Source identifier: 19810016835}
}