@misc{indiciaec35df5daba98,
  title = {Echo-Enabled X-Ray Vortex Generation},
  author = {Hemsing, E. and Marinelli, A.},
  year = {2012},
  doi = {10.1103/physrevlett.109.224801},
  url = {https://www.osti.gov/biblio/1101834},
  note = {Source identifier: 1101834}
}