Electronic Resource
Murata, K.
;
Ishibashi, M.
;
Fortune, N.A.
;
[et al.]
Tokumoto, M.
;
Kinoshita, N.
;
Anzai, H.
;
Kikuchi, K.
;
Saito, K.
;
Ikemoto, I.
;
Takahashi, T.
Amsterdam
:
Elsevier
Physica C: Superconductivity and its applications
185-189 (1991), S. 2685-2686