Patiño Pérez, D., Corz Rodriguez, A. and Munive Mora, C. 2020. Optimal Design of a Toroidal Pressure Vessel of Variable Thickness for Storing Hydrogen in Cars. Ecuadorian Science Journal. 4, 2 (Sep. 2020), 94-100. DOI:https://doi.org/10.46480/esj.4.2.107.