Observation of the Granular Josephson Mechanism and the Vortex-Glass Transition in the Polycrystalline GdBa2Cu3O7- δ Superconductor. - Vargas-Pineda, E. M.; Rivera-Contreras, L. J.; Pineda-Peña, G.; Téllez, D. A. Landínez; Roa-Rojas, J. (Journal of Superconductivity & Novel Magnetism, 2024)