@misc{indiciaeb70beb4f5961,
  title = {A drag reduction method for turbulent boundary layers},
  author = {Gad-El-hak, Mohamed and Blackwelder, Ron F.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870035307},
  note = {Source identifier: 19870035307}
}