%0 Journal Article %A Ramamoorthy Ramesh %A G Thomas %A S Green %A C Jiang %A Y Mei %A M.L Rudee %A H.L Luo %B Physical Review B %D 1988 %G eng %P 7070-7073 %R 10.1103/PhysRevB.38.7070 %T Polytypoid structure of Pb-modified Bi-Ca-Sr-Cu-O superconductor %V 38