Failure Modes, Effects, and Criticality Analysis (FMECA). National Aeronautics and Space Administration JPL. PD–AD–1307.  "Failure Mode Effects Analysis (FMEA)", http://asq.org/learn-about-quality/process-analysis-tools/overview/fmea.html Jackson. Michael “Foresight Glossary”; http://www.shapingtomorrow.com/media-centre/pf-ch11.pdf”