@misc{indiciae1572c88aefc2,
  title = {Combined riblet and lebu drag reduction system},
  author = {Walsh, Michael J. and Anders, John B. and Hefner, Jerry N.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880004689},
  note = {Source identifier: 19880004689}
}