Reducing lateral vibration of a rotor passing through critical speed by proper driving torque determination / Grzegorz CIEPLOK, Przemysław PYZIK // W: 10th Conference on Active noise and vibration control methods MARDiH : Krakow – Wojanow, Poland, June 06–08, 2011 : proceedings / AGH – University of Science and Technology. Faculty of Mechanical Engineering and Robotics. Department of Process Control. — [Kraków : AGH], [2011]. — Opis częśc. wg okł.. — ISBN10: 83-89772-70-1. — S. 54–55