@misc{indiciaec727bb8693d5,
  title = {The piecewise-parabolic method in curvilinear coordinates},
  author = {Blondin, John M. and Lufkin, Eric A.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940033880},
  note = {Source identifier: 19940033880}
}