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Tohutoru Kātū Chicago (17th ed.)American Society of Civil Engineers. Task Committee on Steel Penstock Design, Inc ebrary, me John H. Bambei. Steel Penstocks. 2nd ed. Reston: American Society of Civil Engineers, 2012.
Tohutoro MLA (9th ed.)American Society of Civil Engineers. Task Committee on Steel Penstock Design, et al. Steel Penstocks. 2nd ed. American Society of Civil Engineers, 2012.
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