@misc{indiciaec0a36b971cfb,
  title = {Improved Portable Ultrasonic Leak Detectors},
  author = {Youngquist, Robert C. and Moerk, John S. and Haskell, William D. and Cox, Robert B. and Polk, Jimmy D. and Strobel, James P. and Luaces, Frank},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19950065211},
  note = {Source identifier: 19950065211}
}