@misc{indiciaede29bc6c1419,
  title = {Method for calculating wing characteristics by lifting-line theory using nonlinear section lift data},
  author = {Sivells, James C and Neely, Robert H},
  year = {1947},
  url = {https://ntrs.nasa.gov/citations/19930091938},
  note = {Source identifier: 19930091938}
}