%0 Journal Article %A J.B Barner %A C.T Rogers %A A Inam %A Ramamoorthy Ramesh %A S Bersey %B Applied Physics Letters %D 1991 %G eng %P 742-744 %R 10.1063/1.105330 %T All a-axis oriented YBa2Cu3O7-y-PrBa 2Cu3O7-z-YBa2Cu3O 7-y Josephson devices operating at 80 K %V 59