DIN EN ISO 12213-3:2010-01 Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006); German version EN ISO 12213-3:2009
2010DIN EN ISO 12213-3:2010 Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:2006); German version EN ISO 12213-3:2009
2005DIN EN ISO 12213-3:2005 Natural gas - Calculation of compression factor - Part 3: Calculation using physical properties (ISO 12213-3:1997); German version EN ISO 12213-3:2005