3Suh. N. P, Axiomatic Design as a Basic for Universal Design Theory,Universal Design Theory, Aachen: Shaker Verlag, 1998, 3 - 24.
4Darrell Mann. Case Studies in TRIZ: Helicopter Engine Particle Seperator. http://www.triz-j ournal.com/archives/1999/02/a/index.htm.
5Jeong-Gil LEE, Seng-Bae LEE. Case Studies In TRIZ: FBC(Fluidized Bed Combustion) Boiler's tube erosion.http://www.tdz-j ournal.com/archives/2002/07/b/index.htm.
6Darrell Mann. Case Studies in TRIZ: A Better Wrench.http:llwww.triz-journal.com/archives/2OOO/O7/index.htm.