== Litteratur ==
* Tom Lunne, Peter K. Robertson og John J.M. Powell (1997): Cone Penetration Testing in Geotechnical Practice. Spon Press, 312 sider, {{ISBN|0-419-23750-X}} (kendt som "CPT-bogen")
* DgF's Feltkomite (1999): CPT - Cone Penetration Test. Side 95-98 i: dgf-Bulletin 14 Felthåndbogen. Dansk geoteknisk Forening, 146 sider m. bilag og referenceblade, {{ISBN|87-89833-08-2}}
* [http://www.dres.ir/fanni/khak/DocLib4/D%203441%20%E2%80%93%2098%20%20;RDM0NDE_.pdf ASTM D-3441 Standard Test Method for Mechanical Cone Penetration Tests of Soil] {{Webarchive|url=https://web.archive.org/web/20161020074437/http://www.dres.ir/fanni/khak/DocLib4/D%203441%20%E2%80%93%2098%20%20;RDM0NDE_.pdf |date=20. oktober 2016 }}
* ASTM D-5778 Standard Test Method for Electronic Friction Cone and Piezocone Penetration Testing of Soils
* ISO 22476-1 Electrical cone and piezocone penetration test
Jura Juridiske_begreber Psykologi Samfund Bygninger,_konstruktioner_og_anlæg Teknologi Ledelse Sikkerhed Naturvidenskab