Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 3: Field joint coatings (ISO 21809-3:2016); English version EN ISO 21809-3:2016— 138 стр.
Testing of rubber - Determination of tensile strength at break, tensile stress at yield, elongation at break and stress values in a tensile test— 20 стр.