Petroleum and natural gas industries - Cements and materials for well cementing - Part 6: Methods for determining the static gel strength of cement formulations (ISO 10426-6:2008); English version EN ISO 10426-6:2008— 15 стр.
Reciprocating internal combustion engines - Exhaust emission measurement - Part 6: Report of measuring results and test (ISO 8178-6:2000); German version EN ISO 8178-6:2000— 19 стр.