1. Akulov, A.I., 1961, The Automatic Control of Penetration in Arc Welding, Weld. Prod., No. 8.
2. Automatic Control of Arc Welding by Monitoring Molten Pool;Arata;Trans. Jpn. Weld. Res. Inst.,1972
3. Automatic Control of Arc Welding (Report II) – Optical Sensing of Joint Configuration;Arata;Trans. Jpn. Weld. Res. Inst.,1973
4. Automatic Control of Arc Welding (Report IV) – Determination of Cold Lapping;Arata;Trans. Jpn. Weld. Res. Inst.,1975
5. Automatic Control of Arc Welding (Report V) – Application of Digital Picture Processing Technique to Automatic Control;Arata;Trans. Jpn. Weld. Res. Inst.,1976