@incollection{Lei13, author = {Jiuhou Lei and Guangming Chen and Jiyao Xu and Xiankang Dou}, title = {Impact of Solar Forcing on Thermospheric Densities and Spacecraft Orbits from CHAMP and GRACE}, booktitle = {Geodetic Sciences}, publisher = {IntechOpen}, address = {Rijeka}, year = {2013}, editor = {Shuanggen Jin}, chapter = {7}, doi = {10.5772/56599}, url = {https://doi.org/10.5772/56599} }