Use of a 19F NMR probe for the study of the local magnetic structure in the AF and SC HTc YBaCuO series : experimental lights on the HTc superconductivity mechanismJ Conard, C Perrin, O Peña and M SergentJ. Chim. Phys., 89 (1992) 393-398DOI: https://doi.org/10.1051/jcp/1992890393