Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 3: Measurement of displacements across a line: Inclinometers (ISO 18674-3:2017)
Geotechnical investigation and testing -- Geotechnical monitoring by field instrumentation -- Part 2: Measurement of displacements along a line: Extensometers— 52 стр.
Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 3: Measurement of displacements across a line: Inclinometers (ISO 18674-3:2017)