TY - JOUR T1 - Characterisation of magnetic materials by impedance spectroscopy JO - Solid State Ionics UR - https://doi.org/10.1016/0167-2738(90)90326-m PY - 1990/01/01 AU - IRVINE J ED - DO - DOI: 10.1016/0167-2738(90)90326-m PB - Elsevier BV VL - 40-41 SP - 220 EP - 223 Y2 - 2025/11/09 ER -