1. Gregory, C. H., Appleton, H. B., Lowes, A. P. and Whalen, F. C.Instrumentation and Control in the German Chemical Industry; British Intelligence Operations Subcommittee Report 1007, June 12, 1946, (per discussion with Terry McMahon).
2. Infosciencewww.infoscience.com.
3. Siena Workshop on Product and Process Optimization, October 5−8, 2008; http://ifpac.com/siena/.
4. Vanden Bussche, K., UOP, presentation, CPAC Summer Institute, 2004; www.cpac.washington.edu