ISO 3838:1983 Crude petroleum and liquid or solid petroleum products; Determination of density or relative density; Capillary-stoppered pyknometer and graduated bicapillary pycnometer methods
2004ISO 3838:2004 Crude petroleum and liquid or solid petroleum products - Determination of density or relative density - Capillary-stoppered pyknometer and graduated bicapillary pyknometer methods
1983ISO 3838:1983 Crude petroleum and liquid or solid petroleum products; Determination of density or relative density; Capillary-stoppered pyknometer and graduated bicapillary pycnometer methods