@article{{GIIUNAM}{}, author = {Juárez, V.}, title = { Helge Ryggvik: la experiencia noruega en la industria petrolera}, journal = {Gaceta Instituto de IngenierÃa, UNAM}, volume = {1}, number = {110}, year = {2017}, url = {http://gacetaii.iingen.unam.mx/GacetaII/index.php/gii/article/view/1983} }