TY - JOUR T1 - CHARACTERIZATION OF PTCR BARIUM-TITANATE BY IMPEDANCE SPECTROSCOPY JO - SPECIAL CERAMICS 9 PY - 1992/12/18 AU - JOHNSTON DE AU - SINCLAIR DC AU - WEST AR AU - CERAM I ED - VL - 49 SP - 223 EP - 227 Y2 - 2024/12/22 ER -