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bauforumstahl, Germany

LSS-Softwarelösungen für das Bauwesen, Germany

Stahlbauforum, Germany

Österreichischer Stahlbauverband, Austria

Australian Steel Institute (ASI), Australia

European Convention for Constructional Steelwork (ECCS), Belgium

Worldsteel - Global steel information (IISI) , Belgium

The Canadian Institute of Steel Construction (CISC), Canada

Bouwen met Staal, Netherlands

Instituto para la Construcción Tubular, Spain

The Steel Construction Institute (SC3), UK

American Institute of Steel Construction, U.S.A.

American Welding Society (AWS), U.S.A.

International Society of Offshore and Polar Engineers (ISOPE), U.S.A.

Modern Steel Construction- pdf magazine (AISC) , U.S.A.

Fondazione Promozione Acciaio, Italien