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Washington, D.C.: NACA, 1933
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Washington, D.C.: NACA, 1931
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Washington, D.C.: NACA, 1931
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Washington, D.C.: NACA, 1931
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American Society of Civil Engineers (ASCE), 2002
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American Society of Civil Engineers (ASCE), 2000
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American Society of Civil Engineers (ASCE), 1999
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American Society of Civil Engineers (ASCE), 1997
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American Society of Civil Engineers (ASCE), 1996
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American Society of Civil Engineers (ASCE), 1995
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American Society of Civil Engineers (ASCE), 2000