Sumittra Duangkaewmanee และ Amorn Petsom. (2006) Lubricating oil for fluid dynamic bearing in 2.5 inch hard disk drive motor. Chulalongkorn University:ม.ป.ท.Sumittra Duangkaewmanee และ Amorn Petsom. 2006. Lubricating oil for fluid dynamic bearing in 2.5 inch hard disk drive motor. ม.ป.ท.:Chulalongkorn University;Sumittra Duangkaewmanee และ Amorn Petsom. Lubricating oil for fluid dynamic bearing in 2.5 inch hard disk drive motor. ม.ป.ท.:Chulalongkorn University, 2006. Print.