1. McCoull, N. and Walther, C. "Viscosity Temperature Chart," Lubrication, June, 1921.
2. Isothermals, isopiestics and isometrics relative to viscosity
3. Winer, W.O. "The Mechanical Properties of Fluids in High Pressure Hydraulic Systems," InNational Conference on Fluid Power, 1974, pp.412-421.