API MPMS 9.2-1982 Manual of Petroleum Measurement Standards Chapter 9 - Density Determination Section 2 - Pressure Hydrometer Test Method for Density or Relative Density (First Edition)
2012API MPMS 9.2-2012 Manual of Petroleum Measurement Standards Chapter 9.2 Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer- Measurement Coordination (Third Edition)
2003API MPMS 9.2-2003 Manual of Petroleum Measurement Standards Chapter 9—Density Determination Section 2—Standard Test Method for Density or Relative Density of Light Hydrocarbons by Pressure Hydrometer (Second Edition)
1982API MPMS 9.2-1982 Manual of Petroleum Measurement Standards Chapter 9 - Density Determination Section 2 - Pressure Hydrometer Test Method for Density or Relative Density (First Edition)