Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method (ISO 3675:1998); German version EN ISO 3675:1998— 9 стр.
Reciprocating internal combustion engines - Exhaust emission measurement - Part 6: Report of measuring results and test (ISO 8178-6:2000); German version EN ISO 8178-6:2000— 19 стр.
Crude petroleum and petroleum products - Determination of density - Oscillating U-tube method (ISO 12185:1996); German version EN ISO 12185:1996— 11 стр.