1. Barkmeyer, E., Christopher, N., Feng, S., Fowler, J., Frechette, S., Jones, A., Jurrens, K., McLean, C., Pratt, M., Scott, H. A., Senehi, M. K., Sriram, R. D., and Wallace, E., 1997, SIMA Reference Architecture Part I: Activity Models, NISTIR 5939, National Institute of Standards and Technology, Gaithersburg, MD.
2. Sriram, R. D., 1999, Standards for the Collaborative Design Enterprise, Response to Object Management Group (OMG) Manufacturing Domain Task Force Request for Information MfgDTF RFI#4, available online at 〈URL:http://cgi.omg.org/cgi-bin/doc?mfg/99-08-04.pdf〉.
3. Szykman, S., Sriram, R. D., and Smith, S. J., (eds.), 1998, “Breakout Session #1—Industry Perspective,” “Breakout Session #2— Database/Knowledge-Base Frameworks,” “Breakout Session #3—Standards for Information Modeling/Knowledge Representation,” Proceedings of the NIST Design Repository Workshop, Gaithersburg, MD, November 1996, pp. 39–49.
4. Pahl, G., and Beitz, W., 1988, Engineering Design: A Systematic Approach, Springer-Verlag, New York.
5. de Kleer, J. , 1984, “How Circuits Work,” Artif. Intell., 24, pp. 205–280.