Geotechnical investigation and testing - Identification and classification of soil - Part 2: Principles for a classification (ISO 14688-2:2004+Amd 1:2013) (consolidated version)
Geotechnical investigation and testing - Field testing - Part 1: Electrical cone and piezocone penetration test (ISO 22476-1:2012); German version EN ISO 22476-1:2012— 44 стр.
Geotechnical investigation and testing - Field testing - Part 1: Electrical cone and piezocone penetration test (ISO 22476-1:2012 + Cor. 1:2013); German version EN ISO 22476-1:2012 + AC:2013— 44 стр.
