%0 Journal Article %A K.H Young %A G.V Negrete %A R.B Hammond %A A Inam %A Ramamoorthy Ramesh %A D.L Hart %A Y Yonezawa %B Applied Physics Letters %D 1991 %G eng %P 1789-1791 %R 10.1063/1.105092 %T Clear correlations observed between YBa2Cu3O 7-δ thin-film properties and GHz microwave resonator performance %V 58