TY  - RPRT
TI  - Smith-Purcell free-electron laser.
AU  - L Schächter
AU  - A Ron
PY  - 1989
DO  - 10.1103/physreva.40.876
UR  - https://pubmed.ncbi.nlm.nih.gov/9902214/
ID  - 9902214
ER  -