@misc{indiciae7d681e13694e,
  title = {Aerodynamic integration produces a vehicle shape with a negative drag coefficient},
  author = {Salari, Kambiz and Ortega, Jason M.},
  year = {2021},
  doi = {10.1073/pnas.2106406118},
  url = {https://www.osti.gov/biblio/1798953},
  note = {Source identifier: 1798953}
}