@article{{GIIUNAM}{}, author = {Chicurel, E., Gutiérrez, F.}, title = { Desarrollo del reductor de velocidad de tornillo impulsor y cadena roscada}, journal = {Gaceta Instituto de IngenierÃa, UNAM}, volume = {1}, number = {139}, year = {2019}, url = {http://gacetaii.iingen.unam.mx/GacetaII/index.php/gii/article/view/2630} }