Hemant Nautiyal, Faraz Ahmad, Kuldeep Bahuguna. “Precise Observation of the Motion of Ground Particles Due to Vibration Produced When a Heavy Rod Is Dragged on the Ground”. Mathematical Statistician and Engineering Applications, vol. 71, no. 4, Sept. 2022, pp. 3953-70, doi:10.17762/msea.v71i4.963.