@misc{indiciae1cd2a10aa0da,
  title = {China, the United States, and competition for resources that enable emerging technologies},
  author = {Andrew L. Gulley and Nedal T. Nassar and Sean Xun},
  year = {2018},
  doi = {10.1073/pnas.1717152115},
  url = {https://pubs.usgs.gov/publication/70196387},
  note = {Source identifier: 70196387}
}