List of Articles Multi-step Open Access Article Abstract Page Full-Text 1 - Whirling Analysis of Axial-Loaded Multi-Step Timoshenko Rotor Carrying Concentrated Masses K Torabi H Afshari H Najafi 20.1001.1.20083505.2017.9.1.11.6 Open Access Article Abstract Page Full-Text 2 - Vibration Analysis of Multi-Step Bernoulli-Euler and Timoshenko Beams Carrying Concentrated Masses K Torabi H Afshari H Najafi 20.1001.1.20083505.2013.5.4.2.5