1. CEMBUREAU (2010) World statistical review 1996–2008 cement production, in trade, consumption data. The European Cement Association, Brussels
2. CEMBUREAU (2016) Activity report 2015, Brussels. http://www.cembureau.be/sites/default/files/AR2015.pdf
3. FAO (2013) Food wastage footprint impacts on natural resources: summary report. Food and Agriculture Organisation of the United Nations, Rome
4. MacKenzie KJ, Smith ME (2002) Multinuclear solid-state nuclear magnetic resonance of inorganic materials, vol 6. Elsevier, Amsterdam
5. WBCSD (2016) Cement sustainability initiative, getting the numbers right, project emissions report 2014. http://www.gnr-project.org/