%0 Journal Article %K Yttrium compounds %K High temperature superconductors %K Superconducting materials %K Electronic properties %K Ceramic materials %K Yttrium barium copper oxides %K Oxide superconductors %K Gold and Alloys %K Silver and Alloys %K Proximity Tunneling Spectroscopy %A L.H Greene %A J.B Barner %A W.L Feldmann %A L.A Farrow %A P.F Miceli %A Ramamoorthy Ramesh %A B.J Wilkens %A B.G Bagley %A J.M Tarascon %A J.H Wernick %A M Giroud %A J.M Rowell %B Physica C: Superconductivity and its applications %D 1989 %G eng %P 1069-1070 %R 10.1016/0921-4534(89)90597-2 %T Studies of proximity-effect and tunneling in YBCO/metal layered films %V 162-164