Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels (ISO 683-17:1999); German version EN ISO 683-17:1999— 20 стр.
Petroleum and natural gas industries - Specific requirements for offshore structures - Part 6: Marine operations (ISO 19901-6:2009 + Cor 1:2011) (consolidated version)