1. Accreditation Board for Engineering and Technology Inc . 1999 . Engineering Criteria 2000 . Criteria for Accrediting Engineering Programs during the 1999–2000 Accreditation Cycle . Available from www.abet.org ; INTERNET.
2. American Academy of Environmental Engineers . 1999 . Available from www.enviro-engrs.org/history.htm ; INTERNET.
3. American Association of Engineering Societies . 1995 . Washington D.C. : Annual Report of the Engineering Workforce Commission .
4. American Consulting Engineers Council . 1999 . About the ACEC . Available from www.asce.org ; INTERNET.