Leung, Andrew Yee TakAndrew Yee TakLeung2022-04-192022-04-192000https://repository.sfu.edu.hk/handle/sfu/3055Comment on "Non-linear vibration analysis of a travelling string with time-dependent length by new hybrid laplace transform/finite element method" (Letter to the Editor)letter to the editor10.1006/jsvi.1999.2711