Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of Atterberg limits (ISO/TS 17892-12:2004); German version CEN ISO/TS 17892-12:2004— 17 стр.
Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits (ISO 17892-12:2018); German version EN ISO 17892-12:2018— 37 стр.
Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits (ISO 17892-12:2018); German version EN ISO 17892-12:2018— 37 стр.
Geotechnical investigation and testing - Identification and classification of soil - Part 2: Principles for a classification (ISO 14688-2:2017); German version EN ISO 14688-2:2018— 21 стр.