References
- ANON . 1987 . ULV Spraying by hand—A Shell pocket guide , 7 London : Shell International Chemical Company .
- ANON . 1986 . “ IP Standards for petroleum and its products. Part I. Methods for analysis and testing ” . In Kinematic Viscosity of Transparent and Opaque Liquids and the Calculation of Dynamic Viscosity , London : Heyden and Son Ltd. .