The « irreversibility line » of Bi2-xPbxSr2Ca2Cu3O10 : a possible breakdown of an intrinsic proximity effect P. de Rango, B. Giordanengo, R. Tournier, A. Sulpice, J. Chaussy, G. Deutscher, J.L. Genicon, P. Lejay, R. Retoux et B. RaveauJ. Phys. France, 50 18 (1989) 2857-2868DOI: https://doi.org/10.1051/jphys:0198900500180285700