Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2009); English version EN ISO 10426-1:2009— 47 стр.
Petroleum and natural gas industries - Cements and materials for well cementing - Part 1: Specification (ISO 10426-1:2005); English version EN ISO 10426-1:2006— 45 стр.