EN 13286-2:2004 Unbound and hydraulically bound mixtures - Part 2: Test methods for the determination of the laboratory reference density and water content - Proctor compaction
2010EN 13286-2:2010 Unbound and hydraulically bound mixtures - Part 2: Test methods for laboratory reference density and water content - Proctor compaction
2004EN 13286-2:2004 Unbound and hydraulically bound mixtures - Part 2: Test methods for the determination of the laboratory reference density and water content - Proctor compaction