%0 Journal Article %T Preparation and characterization of niobates. Part VI: Synthesis, XRD, SEM and piezoelectric studies of potassium and barium-doped lead strontium niobates %A G Nageswara Rao %A K Umakantham %J - %D 1997 %U https://www.ias.ac.in/describe/article/boms/020/08/1039-1048