1. European Union, Energy in figures – Statistical pocketbook, 2018. doi:10.2833/77817.
2. European Commission, SET-Plan. ISSUES PAPER on strategic targets in the context of Action 5 - Develop new materials and technologies for energy efficiency solutions for buildings - Cross cutting heating and cooling technologies for buildings, 2016. (accessed 28/11/2018).
3. European Commission, An EU strategy on heating and cooling. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions, 2016.
4. Food for Life, Foodforlife - Home. (accessed 21/4/2020).
5. Solar heating and cooling systems by absorption and adsorption chillers driven by stationary and concentrating photovoltaic/thermal solar collectors: modelling and simulation;Buonomano;Renew. Sustain. Energy Rev.,2018