Chu, HHChuKang, M.CM.CKang2010-05-092018-06-282010-05-092018-06-282002http://ntur.lib.ntu.edu.tw//handle/246246/181484application/pdf229175 bytesapplication/pdfen-USQuartic Fields and Radical Extensionsjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/181484/1/06.pdf