https://www.osti.gov/pages/biblio/1976506-nlo-qcd-corrections-full-off-shell-production-overline-including-leptonic-decays
The U.S. Department of Energy's Office of Scientific and Technical Information
nloqcdcorrectionsfullshell
https://www.pluralsight.com/courses/operationalizing-bash-z-shell-scripts
z shellbashscripts