R. A. Gunasekaran, R. Ganguly, J.V. Yakhmi,
"Superconducting behaviour of co-doped Y1-xCaxBa2Cu3-xMxO7-d (M=Ni or Zn and 0.0 <x< 0.30)"
, in Physica C: Superconductivity, Vol. 243, Seite(n) 160, 1995, ISSN: 0921-4534
Original Titel:
Superconducting behaviour of co-doped Y1-xCaxBa2Cu3-xMxO7-d (M=Ni or Zn and 0.0 <x< 0.30)