On-Line Multi-Frequency Electrical Resistance Tomography (mfERT) Device for Crystalline Phase Imaging in High-Temperature Molten Oxide. - Prima Asmara Sejati; Noritaka Saito; Yosephus Ardean Kurnianto Prayitno; Koji Tanaka; Panji Nursetia Darma; Miku Arisato; Kunihiko Nakashima; Masahiro Takei (Sensors, 2022)