The Chapman and Johnson link is broken; it can be found at http://web.archive.org/web/20040325202602/http://cebiz.org/ejj/PDF%20Papers/Incorporating%20the%20Irrelevant.PDF
Fixed the link.
The Chapman and Johnson link is broken; it can be found at http://web.archive.org/web/20040325202602/http://cebiz.org/ejj/PDF%20Papers/Incorporating%20the%20Irrelevant.PDF
Fixed the link.