WASET
Chekan, J. , Merat, K. , Zohoor, H. (2012), 'Regional Stability Analysis of Rotor-Ball Bearing and Rotor- Roller Bearing Systems Considering Switching Phenomena', World Academy of Science, Engineering and Technology, Open Science Index 63, International Journal of Mechanical and Mechatronics Engineering, 6(3), 680 - 686.