TY - GENERIC DO - 10.20944/preprints202009.0151.v1 UR - http://dx.doi.org/10.20944/preprints202009.0151.v1 TI - Hertz Elastic Dynamics of Two Colliding Elastic Spheres T2 - Preprints AU - Sun, Bohua PY - 2020 DA - 2020/09/07 PB - Preprints