TY  - RPRT
TI  - Comment on “Intense Superradiant X Rays from a Compact Source Using a Nanocathode Array and Emittance Exchange”
AU  - Stupakov, G.
AU  - Zholents, A.
AU  - Zolotorev, M. S.
PY  - 2013
DO  - 10.1103/physrevlett.111.019401
UR  - https://www.osti.gov/biblio/1103734
ID  - 1103734
ER  -