456069 Timms, A. G., & Gries, W. E. Use of fly ash in concrete.
Chicagoスタイル(17版)引用形式456069 Timms, Albert G., , William E. Gries. Use of Fly Ash in Concrete.
MLA(9版)引用形式456069 Timms, Albert G., , William E. Gries. Use of Fly Ash in Concrete.
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