黃胤年Najita, KazutoshiKazutoshiNajitaRoelofs, T. H.T. H.RoelofsYuen, P. C.P. C.YuenHuang, Yinn-NienYinn-NienHuang2009-02-042018-07-062009-02-042018-07-061975http://ntur.lib.ntu.edu.tw//handle/246246/120579en-USDST and SD Variations of Electron Content at Low Latitudejournal article