Zubelzu Mínguez, Sergio, Alfonso López Díaz, Miguel Ángel Gutiérrez García, and Fernando Blanco Silva. “Gravity Methods As a Tool to Calculate Greenhouse Gas Emissions from Road Traffic in Urban Planning”. Revista Ingeniería de Construcción 26, no. 2 (August 30, 2011): 187–207. Accessed November 15, 2024. https://horizonteenfermeria.uc.cl/index.php/ric/article/view/16539.