@misc{indiciae7a1552608f83,
  title = {Challenges in Adjoint-Based Aerodynamic Design for Unsteady Flows},
  author = {Nielsen, Eric J. and Blonigan, Patrick J. and Diskin, Boris and Wang, Qiqi},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20160006907},
  note = {Source identifier: 20160006907}
}