Gas supply systems - Unterground gas storage - Part 2: Functional recommendations for storage in oil and gas fields; German version EN 1918-2:1998— 11 стр.
Gas infrastructure - Underground gas storage - Part 2: Functional recommendations for storage in oil and gas fields; German version EN 1918-2:2016— 36 стр.
Gas infrastructure - Underground gas storage - Part 2: Functional recommendations for storage in oil and gas fields; German version EN 1918-2:2016— 36 стр.