@misc{indiciaebb4503c76950,
  title = {Computational analysis of hover performance using a new free wake method},
  author = {Quackenbush, Todd R. and Wachspress, Daniel A. and Bliss, Donald B.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880064533},
  note = {Source identifier: 19880064533}
}