Preparation and characterization of melt textured NdBa2Cu3O7−δ bulk superconducting ceramicsF. Tancret, I. Monot, P. Laffez, G. Van Tendeloo and G. DesgardinEur. Phys. J. AP, 1 2 (1998) 185-190DOI: https://doi.org/10.1051/epjap:1998135