Progress in Precise Measurements of the Gravitational Constant Wu, Junfei ; Li, Qing ; Liu, Jianping ; Xue, Chao ; Yang, Shanqing ; Shao, Chenggang ; Tu, Liangcheng ; Hu, Zhongkun ; Luo, Jun Abstract Publication: Annalen der Physik Pub Date: May 2019 DOI: 10.1002/andp.201900013 Bibcode: 2019AnP...53100013W