1. Chung, G. P., 'Unified Factory Automation.' Industrial Computing. Vol. 12, No. 8, August 1993, pp. 29-30.
2. Wright, P. K., 'Principles of Open-Architecture Manufacturing.' Journal of Manufacturing Systems. Vol. 14, No. 8, 1995, pp. 187-202.
3. Basset, E. W., 'Integration.' Industrial Computing. Vol. 12, No. 8, August 1993, pp. 24-27.
4. Martocci, J., 'MES & Planning Systems Depend On Each Other.' Industrial Computing. Vol. 14, No. 2, February 1995, pp. 22-23.
5. Hirsch B. E., et al, 'Information System Concept for the management of Distributed Production.' Computers In Industry. Vol. 26, No. 3, August 1995, pp. 229-241.