TY - GENERIC DO - 10.20944/preprints202003.0387.v1 UR - http://dx.doi.org/10.20944/preprints202003.0387.v1 TI - Mass or Energy? On Charge of Gravity T2 - Preprints AU - Wang, Zhong-Yue PY - 2020 DA - 2020/03/26 PB - Preprints