Electronic Resource
Senning, B.
;
Warden, M.
;
Abukay, D.
;
[et al.]
Berlowitz, D.
;
Dinse, K.-P.
;
Dobbert, O.
;
Dulcic, A.
;
Fransioli, L.
;
Waldner, F.
;
Erhart, P.
Amsterdam
:
Elsevier
Physica C: Superconductivity and its applications
162-164 (1989), S. 1597-1598