Petroleum products and hydrocarbons; determination of sulfur content; Wickbold combustion method (ISO 4260:1987); German version EN 24260:1994— 18 стр.
Liquefied petroleum gas and light hydrocarbons - Determination of density or relative density - Pressure hydrometer method (ISO 3993:1984); German version EN ISO 3993:1995— 7 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.