TY  - RPRT
TI  - GPS and BDS combined PPP model with inter-system differenced observations
AU  - Tu, Rui
AU  - Hong, Ju
AU  - Zhang, Rui
AU  - Han, Junqiang
AU  - Fan, Lihong
AU  - Zhang, Pengfei
AU  - Liu, Jinhai (ORCID:0000000257746263)
AU  - Lu, Xiaochun
PY  - 2020
DO  - 10.1016/j.asr.2019.09.041
UR  - https://www.osti.gov/biblio/1703525
ID  - 1703525
ER  -