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. Raveau J. Phys. France, 50 18 (1989) 2857-2868 DOI: 10.1051/jphys:0198900500180285700