. "Seismic Safety Margins Research Program"@en . . . "Soil-structure interaction : the status of current analysis methods and research, seismic safety margins research program"@en . . "Soil structure interaction" . . . "Soil structure interaction : the status of current analysis methods and research" . "Soil structure interaction: the status of current analysis methods and research : seismic safety margins : research program" . . . . . . . . . . . . . . . . . . . . . . . . "Soil structure interaction : the status of current analysis methods and research : Seismic Safety Margins Research Program"@en . . .