TY  - RPRT
TI  - Electrostatic free-electron laser.
AU  - Sheng-gang Liu
AU  - Hong-xiu Liu
PY  - 1987
DO  - 10.1103/physreva.36.3837
UR  - https://pubmed.ncbi.nlm.nih.gov/9899319/
ID  - 9899319
ER  -