TY  - RPRT
TI  - Simulation of electron spectra for surface analysis (SESSA) version 2.2.0 user s guide 
AU  - Werner, W S M
AU  - Smekal, W
AU  - Powell, C J
PY  - 2021
PB  - National Institute of Standards and Technology (U.S.)
CY  - Gaithersburg, MD
SN  - NIST NSRDS 100-2021
DO  - 10.6028/NIST.NSRDS.100-2021
ER  -