1. Multi-Dimensional Utility Model for Selection of a Trenchless Construction Method. Proceedings Construction Congress VI, February 20–22;Allouche,2000
2. Augenbroe, G., Pearce, A., 1998. Sustainable construction in the USA; A perspective to the year 2010. International Council for Research and Innovation in Building and Construction. CIB-W82 Report, June
3. AWWA, 2000. Costs of infrastructure failure. Grand central spreadsheet. Beta Test Version, July 20. AWWA Research Foundation Project 2607
4. AYC, 2003. Always Your Choice. Mental Illness, Road Rage. Available from: http://alwaysyourchoice.com/ayc/emotional/mental/roadrage.php. Visited February 28, 2003
5. Bein, P., 1997. Monetization of Environmental Impacts of Roads. Ministry of Transportation, Highway Planning and Policy Branch, British Columbia, Canada