TY - GEN AU - Gross, R T1 - Grain boundaries in high temperature superconductors: A retrospective view CY - PY - 2005 PB - T3 - Physica C-Superconductivity and Its Applications VL - 432 UR - http://dx.doi.org/10.1016/j.physc.2005.07.016 SN - 0921-4534