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1Conference Proceeding LiburuaArgitaratua 1973“...Specialty Conference on Cold-Formed Steel Structures St. Louis, Mo....”
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2Conference Proceeding LiburuaArgitaratua 1978“...International Specialty Conference on Cold-Formed Steel Structures St. Louis, Mo....”
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3Conference Proceeding LiburuaArgitaratua 1981“...International Specialty Conference on Cold-Formed Steel Structures St. Louis, Mo....”