1. Global Resources Outlook 2019: Natural Resources for the Future We Want,2019
2. United nations environment programme. Decoupling natural resource use and environmental impacts from economic growth; 2011.
3. Umweltbundesamt. Indicator: greenhouse gas emissions. https://www.umweltbundesamt.de/en/indicator-greenhouse-gas-emissions; 2019. Accessed 10 Jan 2020.
4. Integrating economic analysis into LCA;Norris;Environ. Q. Manag.,2001
5. Methods and tools supporting modular process design;Klocke;Robot Cim-Int. Manuf.,2000