American Society of Safety Engineers (ASSE) Dictionary of Terms Used in the Safety Profession. SSDC: System Safety Development Center Glossary of SSDC, Glossary - Wiley Online Library, USA 2000 (Published Online 2005). http://onlinelibrary.wiley.com/doi/10. 1002/0471662542. gloss/pdf, (Sfty Eng - Amer) {629}