Petroleum products - Calculation of cetane index of middle-distillate fuels by the four-variable equation (ISO 4264:1995); German version EN ISO 4264:1996— 6 стр.
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.
Automotive fuels - Diesel - Requirements and test methods; German version EN 590:2004, Corrigenda to DIN EN 590:2004-03; German version EN 590:2004/AC:2005— 3 стр.