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American Society of Civil Engineers

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American Institute of Steel Construction

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Portland Cement Association

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National Concrete Masonry Association

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Masonry Advisory Council

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American Iron and Steel Institute

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Association of Iron and Steel Engineers

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The Engineered Wood Association

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International Conference of Building Officials

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Structural Engineering Assoc. of Northern California

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Structural Engineering Assoc. of California

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Structural Engineering Assoc. International

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CE News Online

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Structural Engineer Magazine

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Earthquake Engineering Research Institute