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- [24] Centrifugal casting austempered ductile iron pipe Qinghua Daxue Xuebao/Journal of Tsinghua University, 1994, 34 (02): : 46 - 52
- [25] COMPARISON OF SOIL CORROSION RESISTANCE OF DUCTILE IRON PIPE AND GRAY CAST IRON PIPE MATERIALS PROTECTION, 1968, 7 (10): : 33 - &
- [26] Protecting ductile-iron mains: What protection method works best for what soil condition? JOURNAL AMERICAN WATER WORKS ASSOCIATION, 2003, 95 (11): : 110 - +
- [28] Production of combination pattern for ductile iron pipe fittings Zhuzao/Foundry, 2001, 50 (01):