@article{{GIIUNAM}{}, author = {Torres Freyermuth, A.}, title = { Editorial}, journal = {Gaceta Instituto de Ingeniería, UNAM}, volume = {1}, number = {131}, year = {2018}, url = {http://gacetaii.iingen.unam.mx/GacetaII/index.php/gii/article/view/2467} }