1. ITRF2014 plate motion model;Altamimi;Geophys. J. Int.,2017
2. Overview of Galileo system;Bartolomé,2015
3. Two are better than one - Multi-frequency precise point positioning using GPS and Galileo;Basile;GPS World,2018
4. BDS-SIS-ICD, 2016. Beidou Navigation Satellite System Signal In Space Interface Control Document Open Service Signal (Version 2.1). China Satellite Navigation Office, November 2016, 80 pp.
5. Directions 2020: Galileo moves ahead;Benedicto;GPS World,2019