1. Grand Challenges in Environmental Sciences, © 2001, National Academy of Sciences. ISBN: 0-309-51320-0, 106 pages, 6 x 9, (2001). National Academies Press: http://www.nap.edu/catalog/9975.html.
2. Graedel, T. “Streamlined Life Cycle Assessment”, © 1998 Bell Laboratories, Lucent Technologies and published by Prentice-Hall, Inc.
3. SETAC –Society of Environmental Toxicology and Chemistry; https://www.setac.org/group/AGLCA.
4. M. Hauschild, J. Jeswiet, L. Alting. “From Life Cycle Assessment to Sustainable Production: status and perspectives”. Annals of CIRP, Vol. 54/2/2005; p 70.
5. International S tandard ISO 14042, Environmental Management – Life Cycle Assessment – Life Cycle Impact Assessment.