Geotechnical investigation and testing - Field testing - Part 3: Standard penetration test (ISO 22476-3:2005 + Amd 1:2011); German version EN ISO 22476-3:2005 + A1:2011— 19 стр.
Geotechnical investigation and testing - Field testing - Part 2: Dynamic probing (ISO 22476-2:2005 + Amd 1:2011); German version EN ISO 22476-2:2005 + A1:2011— 37 стр.
Geotechnical investigation and testing - Field testing - Part 2: Dynamic probing (ISO 22476-2:2005 + Amd 1:2011); German version EN ISO 22476-2:2005 + A1:2011— 37 стр.
Geotechnical investigation and testing - Identification and classification of soil - Part 2: Principles for a classification (ISO 14688-2:2004); German version EN ISO 14688-2:2004— 22 стр.