1. Alkins, A., Lane, B., & Kazmierowski. T. (2008). Sustainable pavements environmental, economic, and social benefits of in situ pavement recycling (pp. 100–103). Transportation Research Record No. 2084. Washington, DC: National Academy of Sciences.
2. Amekudzi, A., & Jeon, C. M. (2007). Evaluating transport systems sustainability: Atlanta metropolitan region, Presented at 86th Annual Meeting of the Transportation Research Board, Washington, D.C.
3. Ball, G. F. A., Harrington, P. R., & Patrick, J. E. (2008). Environmental effects of emulsions, land transport New Zealand research Report 343 (p. 47). New Zealand Transport Agency: Wellington, NZ.
4. Beatty, T. L. et al. (2002). Pavement preservation technology in France, South Africa, and Australia, Report FHWA-PL-3-001 (p. 56). Office of International Programs, Federal Highway Administration, American Trade Initiatives, Alexandria, Va: Washington, D.C.
5. Benson, C., & Edil, T. (2009). Quantifying the benefits of using coal combustion products in sustainable construction (p. 45). EPRI: Palo Alto, CA.