@misc{indiciae91750666e5dc,
  title = {A novel potential/viscous flow coupling technique for computing helicopter flow fields},
  author = {Summa, J. Michael and Strash, Daniel J. and Yoo, Sungyul},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910009747},
  note = {Source identifier: 19910009747}
}