TY  - RPRT
TI  - X-ray free electron laser tuning for variable-gap undulators
AU  - Kang, Heung -Sik
AU  - Loos, Henrik
PY  - 2019
DO  - 10.1103/physrevaccelbeams.22.060703
UR  - https://www.osti.gov/biblio/1546739
ID  - 1546739
ER  -