Montana Quintero, Nilzon. “Synthesis, structural analysis, chemical stability, magnetic study and electric percolative effect on composite GdBa2Cu3O7−δ /Sr2GdSbO6”. Ciencia En Desarrollo, vol. 9, no. 1, Feb. 2018, pp. 33-40, doi:10.19053/01217488.v9.n1.2018.4377.