1. Newsletter November 2020,2020
2. Jevons' paradox;Alcott;Ecol. Econ.,2005
3. Handbook of recycling;Allwood,2014
4. Material efficiency: a white paper;Allwood;Resour. Conserv. Recycl.,2011
5. The Innovation Algorithm: TRIZ, Systematic Innovation, and Technical Creativity;Altshuller,1999