Bordogna, G., 		Carrara, P., 		Kliment, T., 		Frigerio, L., & 		Sterlacchini, S.
(2017).
 Spatial data infrastructures empowered by interoperable volunteered geographic information.
<em>Plurimondi, </em>(16).
Retrieved from <a href="http://193.204.49.18/index.php/Plurimondi/article/view/60" target="_new">http://193.204.49.18/index.php/Plurimondi/article/view/60</a>