1. Pollution Prevention for Chemical Processes;Allen,1997
2. Green Chemistry: Theory and Practice;Anastas,1998
3. Peer Reviewed: Design Through the 12 Principles of Green Engineering
4. Proposal and Application of a Sustainable Development Index;Barrera-Roldan;Ecol. Indicators,2002
5. A Close Look at ISO 14000;Hersey;Professional Safety,1998