- PDF de Presentación de la Asociación Madrid Subterra
- Convención Cambio Climático
United Nations. - El caso del Metro de Madrid
Authors: Luis de Pereda Fernández , director of ENERES project architect , and Manuel Mallo Sanz , ENERES Energy Efficiency Architect. - Ingeosolum (Geotermia de Madrid)
Study by Ingeosolum. - Worldwide electricity production from renewable energy sources
Carried out by Fondation Énergies Observ’ER and pour le Monde. - Geotermia Somera
Professor Dr. Javier F. Urchueguía of the Polytechnic University of Valencia. - EurObservER-Annual-Overview-2014-EN
prepared by Observ’ER in the frame of the “EurObserv’ER 2013-2016”. - The UE Strategy on Heating and Cooling 2016