Effect of Li-doping on the superconducting properties of EuBa2CU3O7 by a.c. susceptibility measurements and Li N.M.R. M. Nicolas, C. Nguyen Van Huong, A. Dubon, C. Vetter et J. ConardJ. Phys. III France, 3 1 (1993) 13-23DOI: https://doi.org/10.1051/jp3:1993115