Author Unknown; “NT-Based Recipe Provides Graphical Editor and Simplified Integration”; Control Magazine; Sep. 1997; pp. 146-147. |
Farris, David; “SP88 Reduces Batch Variation”; Online Posting; Control Magazine; Aug. 1997; <http://www.controlmagazine.com/0897/c0740897.html>. |
Piper, Peggy; “Distributed Control Systems Spread Out”; Online Posting; Control Magazine; Jun. 1997; <http://www.controlmagazine.com/0697/c0370697.html>. |
Johnson, Dick; “Distributed control: A view of What's New”; Online Posting; Control Engineering Online; Sep. 1996; <http://www.manufacturing.net/magazine/ce/archives/1996/09/issues/na/09a700.htm>. |