1. AIS, webpage. aispro.com
2. Pyramid solutions webpage. mfg.pyramidsolutions.com/importance-of-implementing-a-mes-system
3. Whitepaper by Infor. www.gobiztech.com/docs/infor-importance-of-execution-lean-mes.pdf , p. 2
4. ROCKWELL AUTOMATION: Manufacturing execution systems for sustainability. In: Extending the Scope of MES to Achieve Energy Efficiency and Sustainability Goals, Paper SUST-WP001A-EN-P, May 2009
5. Loskyll, M., Heck, I., Schlick, J., Schwarz, M.: Context-based orchestration for control of resource-efficient manufacturing processes. In: Future Internet (2012)