黃胤年Najita, KazutoshiKazutoshiNajitaYuen, PaulPaulYuenHuang, Yinn-NienYinn-NienHuang2009-02-042018-07-062009-02-042018-07-061974http://ntur.lib.ntu.edu.tw//handle/246246/120972en-USThe Ionospheric Effects of Geomagnetic Sudden Commencements as Measured with and HF Doppler Sounder at Hawaiijournal article