1. EPA Green Engineering Web site. www.epa.gov/oppt/greenengineering
2. EPA Green Chemistry Web site, 12 principles of green chemistry. www.epa.gov/oppt/greenchemistry/principles.html
3. Anastas PT, Warner JC (1998) Green chemistry: theory and practice. Oxford University Press, New York
4. Malone MF, Huss RS (2003) Green chemical engineering aspects of reactive distillation. Environ Sci Technol 37(23):5325–5329
5. Allen DT, Shonnard DR (2004) Green engineering: environmentally conscious design of chemical processes, 3rd edn. Prentice-Hall, Englewood Cliffs, NJ