@article {11175, title = {Natural stone walls in vernacular architecture: what contribution towards Rural nZEB concept?}, journal = {Bulletin de la Soci{\'e}t{\'e} G{\'e}ographique de Li{\`e}ge. 51-66}, volume = {65}, year = {2015}, author = {Poggi, Francesca and Firmino, Ana and Amado, Miguel and Fernando Pinho} }