Planning city refurbishment: An exploratory study at district scale how to move towards positive energy districts - approach of the SINFONIA project. - Yvann Nzengue; Adrien du Boishamon; Karine Laffont-Eloire; Vincent Partenay; Yassine Abdelouadoud; Pietro Zambelli; Valentina D'Alonzo; Roberto Vaccaro (ICE/ITMC, 2017)