1. Backup roll maintenance for preventing spalling accidents;LIDDLE A.J.;SEAISI Quarterly,1998
2. A Consideration on decision of suitable regrinding amount of back-up roll for 4-high mills;NAKAGAWA M.;Hitachi Review,1975
3. Influence of maintenance on backup roll life in four-high mills;NAKAGAWA M.;Hitachi Review,1976
4. Effect of maintenance on backup roll life;NAKAGAWA M.;Iron and Steel Engineer,1982