1. Step-by-step grease selection;Jarrod;Machinery Lubrication Magazine
2. Ishekhoyan , L. S. Samgina , V. V.
3. Meijer , D. 1996
4. Lin , Z. Wangxinmin , C. N. 2005
5. Annual Report Conference on Electrical Insulation and Dielectric Phenomena 2007 45