1. [1] ANSI/AGMA/AWEA6006-A03, 2004: Standard for Design and Specification of Gearboxes for Wind Turbines.
2. [2] ISO 81400-4, 2005: Wind Turbines-Part 4, Design and Specification of Gearboxes.
3. [3] Ishizawa, K., “The Deterioration of Used Gear Oils and Their Test Methods,” Journal of Japanese Society of Lubrication Engineers, 15, 12, 1970, 839-848 (in Japanese).
4. [4] Shiba, H. and Tanaka, K., “Gear Lubricant for High Speed Rolling Stocks (Report 1) -Stability and Load Carrying Capacity of EP Gear Oils-,” RTRI Report, 639, 1968, 1-34 (in Japanese).
5. [5] ASTM D2893, 2004: Standard Test Methods for Oxidation Characteristics of Extreme-Pressure Lubrication Oils.