Methods of testing soils for engineering purposes, Method 5.8.7: Soil compaction and density tests - Nuclear surface moisture-density gauges - Water content of a standard moisture block using hydrogen content of components
Systems and software engineering — Systems and software product Quality Requirements and Evaluation (SQuaRE) — Common Industry Format (CIF) for usability: General framework for usability-related information (ISO/IEC TR 25060:2010)