Electronic Resource
Timusk, T.
;
Bonn, D.A.
;
Greedan, J.E.
;
[et al.]
Stager, C.V.
;
Garrett, J.D.
;
O'Reilly, A.H.
;
Reedyk, M.
;
Kamara's, K.
;
Porter, C.D.
;
Tanner, D.B.
;
Herr, S.L.
Amsterdam
:
Elsevier
Physica C: Superconductivity and its applications
153-155 (1988), S. 1744-1747