@misc{indiciaec7cf3032b741,
  title = {Comment on “Intense Superradiant X Rays from a Compact Source Using a Nanocathode Array and Emittance Exchange”},
  author = {Stupakov, G. and Zholents, A. and Zolotorev, M. S.},
  year = {2013},
  doi = {10.1103/physrevlett.111.019401},
  url = {https://www.osti.gov/biblio/1103734},
  note = {Source identifier: 1103734}
}