1. 40 years of experience with the use of EPS geofoam blocks in road construction;Aabøe,2011
2. The first EPS geoblock road embankment – 1972;Alfheim,2011
3. “Guidelines for the Design of Buried Steel Pipelines,” July 2001 (with addenda through February 2005);American Lifeline Alliance (ALA) – American Society of Engineers (ASCE),2001
4. Guidelines for the Seismic Design of Oil and Gas Pipeline Systems;American Society of Civil Engineers (ASCE),1984
5. ASTM D6817-07. Standard Specification for Rigid, Cellular Polystyrene Geofoam.