01/105764 DC:2001BS EN ISO 14688-2:2006BS 5930-1999+A2:2010
BS EN ISO 14688-2:2004+A1:2013 history
2018BS EN ISO 14688-2:2018 Geotechnical investigation and testing. Identification and classification of soil. Principles for a classification
2006BS EN ISO 14688-2:2004+A1:2013 Geotechnical investigation and testing - Identification and classification of soil - Principles for a classification