Zargar, O.. "Turbine Compressor Vibration Analysis and Rotor Movement Evaluation by Shaft Center Line Method (The Case History Related to Main Turbine Compressor of an Olefin Plant in Iran Oil Industries)". World Academy of Science, Engineering and Technology, Open Science Index 85, International Journal of Mechanical and Mechatronics Engineering, (2014), 8(1), 218 - 227.