http://sa.jrc.ec.europa.eu/wp-content/uploads/2013/11/volante.pdf
http://sa.jrc.ec.europa.eu/?page_id=143
http://eplca.jrc.ec.europa.eu/?page_id=736
http://eplca.jrc.ec.europa.eu/
http://www.peer.eu/news-events/detail/?tx_list_pi1%5Buid%5D=514
http://www.enea.it/it/produzione-scientifica
http://www.isprambiente.gov.it/it/temi/mercato-verde/life-cycle-assessment-lca
http://streetscore.media.mit.edu/
http://macroconnections.media.mit.edu/
http://www.fastcodesign.com/3031368/slicker-city/how-crowdsourcing-and-machine-learning-will-change-how-we-design-cities