NChina16: A stable geodetic reference frame for geological hazard studies in north China

Guoquan Wang, University of Houston, Houston, TX, United States, Bao Yan, Beijing University of Technology, College of Civil Engineering, Beijing, China, Weijun Gan, Institute of Geology, China Earthquake Administration, Beijing, China, Jianghui Geng, Wuhan University, Wuhan, China and Shuilong Shenf