Sarkar, M. R. H.; Naqib, S. H. Temperature Dependence of the Zero-Field In-Plane Critical Current Density of YBa<sub>2< sub>Cu<sub>3< sub>O<sub>7-d< sub> High-<i>T< i><sub>c< Sub> Superconductors. J. Sci. Res. 2012, 4, 287.