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1TidskriftPublicerad 1957“…American Society of Civil Engineers. Pipeline Division…”
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2Konferenspublikation BokPublicerad 1984“…American Society of Civil Engineers. Pipeline Division…”
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3Konferenspublikation BokPublicerad 1981“…American Society of Civil Engineers. Pipeline Division…”
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4TidskriftTransportation engineering journal of ASCE : proceedings of the American Society of Civil Engineers.Publicerad 1969“…American Society of Civil Engineers. Pipeline Division…”