@article{YAN Yafei:141, author = {YAN Yafei, LI Yongping}, title = {Development trend and hotspot analysis of middle and upper atmospheric density researches}, publisher = {Science & Technology Review}, year = {2020}, journal = {Science & Technology Review}, volume = {38}, number = {11}, eid = {141}, numpages = {10}, pages = {141}, keywords = {middle and upper atmosphere;atmospheric density;solar-terrestrial space environment}, url = {http://www.kjdb.org/EN/abstract/article_15823.shtml}, doi = {10.3981/j.issn.1000-7857.2020.11.016} }