7 References

: [1] EXPRESS Language Reference Manual , ISO TC184/SC4/WG5 Document N14, March 29, 1991.
: [2] Information Model and (example) PI, Version 0.2, CFI Document 118, August 17, 1990.
: [3] EIS ECAD Domain Model, Version 2.0, CFI Document 120, September, 1990.
: [4] Loomis, Mary E. S., The Database Book, Macmillan Publishing Company, 1987.
: [5] Electronic Design Interchange Format, Version 2 0 0. Paul Stanford and Paul Mancuso, Editors. Electronic Industries Association, Washington, D.C., 1989.