por National Research Council Canada | National Research Council Canada. Associate Committee on Soil and Snow Mechanics | Engineering Institute of Canada. Geotechnical Engineering Division.
por International Society of Soil Mechanics and Foundation Engineering | Deutsche Gesellschaft für Erd- und Grundbau.
por Southeast Asia Geotechnical Society | Asian Institute of Technology.
por Institution of Civil Engineers (Gran Bretaña).
por American Society of Civil Engineers. Geotechnical Engineering Division.
por American Society of Civil Engineers. Soil Mechanics and Foundations Division.
por Norges Geotekniske Institutt.