@misc{indiciae792df38e679c,
  title = {The Ignition and Growth Concept: The πSURF Perspective. Preliminary document},
  author = {Perry, William L.},
  year = {2020},
  doi = {10.2172/1657111},
  url = {https://www.osti.gov/biblio/1657111},
  note = {Source identifier: 1657111}
}