@misc{indiciaeb78b10d50f9c,
  title = {Method for machining holes in composite materials},
  author = {Daniels, Julia G. and Ledbetter, Frank E., III and Clemons, Johnny M. and Penn, Benjamin G. and White, William T.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870016058},
  note = {Source identifier: 19870016058}
}