TY - GEN AU - W S M Werner AU - W Smekal AU - C J Powell C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2017-12-01 05:12:00 DO - https://doi.org/10.6028/NIST.NSRDS.100-2017 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2017 TI - Simulation of electron spectra for surface analysis (SESSA) version 2.1 user's guide: ER -