5ASTM D 1143/D1143M-07 Standard test methods for deep foundations under static axial compressive load[S].
6American Petroleum Institute API RP 2A-WSD(2000) Recommended Practice Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms-Working Stress Design[S].
7Geosyntec Consultanta Geotechanical basis for bin (bib) document angola LNG project[R]. Luanda, ANGOLA:Geosyntec Consultants, 2005.