1. ISO 9000:2005, Quality management systems-Fundamentals and vocabulary, ISO, 2005.
2. ISO 9001:2008, Quality management system-Requirements, ISO, 2008.
3. ISO 9004:2000, Quality management systems-Guidelines for performance improvements, ISO, 2000.
4. Steering Systems of Production to the Overall Performance;Senechal,2004
5. Y. Quere, M. Sevaux, C. Tahon, D. Trenteseaux, Reactive scheduling of complex system maintenance in a cooperative environment with communication times, Technical Report LAMIH/SP-2003-2, University of Valenciennes, 2003.