TY - JOUR AB - THE usual cases that occur in torsional vibration calculations are of the type shown in Fig. 1. VL - 10 IS - 3 SN - 0002-2667 DO - 10.1108/eb030284 UR - https://doi.org/10.1108/eb030284 AU - Tengā€Ko Li PY - 1938 Y1 - 1938/01/01 TI - Torsional Vibration: A Formula Giving Close Approximations for Calculating Fundamental Frequencies T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 76 EP - 76 Y2 - 2024/04/25 ER -