TY - JOUR T1 - Synthesis and characterization of nickel oxide doped barium strontium titanate ceramics JO - CerĂ¢mica A1 - Banerjee, M. A1 - Mukherjee, S. A1 - Maitra, S. SN - 0366-6913 UL - 10.1590/S0366-69132012000100016 VL - 58 Y1 - 2012 PB - Brasil ER -