Crude petroleum and liquid petroleum products - Laboratory determination of density - Hydrometer method (ISO 3675:1998); German version EN ISO 3675:1998— 9 стр.
Petroleum products - Determination and application of precision data in relation to methods of test (ISO 4259:2006); German version EN ISO 4259:2006, Corrigenda to DIN EN ISO 4259:2006-10— 2 стр.
Crude petroleum and petroleum products - Determination of density - Oscillating U-tube method (ISO 12185:1996); German version EN ISO 12185:1996— 11 стр.
