"Geoskum" . . . . . . . . . . . . . . . . . . . . . "Guideline and recommended standard for geofoam applications in highway embankments" . . . . . . . "Guidelines and recommended standard for geofoam applications in highway embankments" . . . . . . . . "Guideline and recommended standard for Geofoam applications in highway embankments"@en . . "National Research Council (É.-U.). Transportation Research Board." . . "Transportation Research Board. National Cooperative Highway Research Program" . . "Sikring" . . . . "Dæmninger" . .