American Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design, ebrary, Inc, & Whidden, W. R. (2009). Buried flexible steel pipe: Design and structural analysis. American Society of Civil Engineers.
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Chicago-referens (17:e uppl.)
American Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design, Inc ebrary, och William R. Whidden. Buried Flexible Steel Pipe: Design and Structural Analysis. Reston, VA: American Society of Civil Engineers, 2009.
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MLA-referens (9:e uppl.)
American Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design, et al. Buried Flexible Steel Pipe: Design and Structural Analysis. American Society of Civil Engineers, 2009.
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