Roberts, G. A., & Cary, R. A. (1980). Tool steels. American society for metals.
シカゴスタイル引用形Roberts, George A., , Robert A. Cary. Tool Steels. Ohio: American society for metals, 1980.
MLA引用形式Roberts, George A., , Robert A. Cary. Tool Steels. American society for metals, 1980.
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