1. Pålkommissionen, Commission on pile research, Pålstatistik för Sverige 2011, informationen 2012:1, Linköping 2012.
2. Kataja, J., 2009. Construction of railway bridges under traffic, Presentation at Educational Course on Railway Track Technology, NBIU 2009 Ellivuori, Finland.
3. The European standard 14199:2005. Execution of special geotechnical works. Micropiles. Chapter 7.5.3.
4. The European standard 12699:2000. Execution of special geotechnical works. Displacement piles. Chapter 7.8.4.
5. National annex to standard SFS-EN 1993:5 Eurocode 3: Design of steel structures. Part 5: Piling.