%0 Journal Article %A Ramamoorthy Ramesh %A G Thomas %A S.M Green %A Y Mei %A C Jiang %A H.L Luo %B Applied Physics Letters %D 1988 %G eng %P 1759-1761 %R 10.1063/1.100476 %T Microstructure of Pb-modified Bi-Ca-Sr-Cu-O superconductor %V 53