References
- Ushio and Matsuda . 1987 . ‘The latest tungsten electrodes.’ . Welding Technique , 35 (9) : 78 – 81 .
- Matsuda and Ushio . 1985 . ‘The study of arc discharge electrodes (I).’ . Collected Outlines of Lectures delivered to the Japan Welding Society , 36 : 50