@misc{indiciae1209bfdba687,
  title = {Rounding And Aligning Tubes For Butt Welding},
  author = {Burley, Richard H. and Burow, Glenn H.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900000031},
  note = {Source identifier: 19900000031}
}