WASET
    Arvind Srivastav and  Tarun Kanti Bhattacharyya,  A Low-Power Two-Stage Seismic Sensor Scheme for Earthquake Early Warning System.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2018, vol. 138(6). 403 - 408
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10009053.