IP standards for petroleum and its products.
Institution of Petroleum Technologists (Great Britain)
London,
1960-1961.
Earlier edition has title: Standard methods for testing petroleum and its products.
The first edition of pt. 2 is entered separately and is entitled IP engine test methods for rating fuels.
Subsequent editions of pt. 1 are entered separately and are entitled: "Methods for analysis and testing".
Subsequent editions of pt. 3 are entered separately and are entitled "Methods for assessing performance of crankcase lubricating oils, engine tests".