ISO 12956:2010 Geotextiles and geotextile-related products - Determination of the characteristic opening size
ISO 9862:2005 Geosynthetics - Sampling and preparation of test specimens
GOST R ISO 10772-2014 history
2014GOST R ISO 10772-2014 Geotextiles. Test method for the determination of the filtration behaviour of geotextiles under turbulent water flow conditions