Tai-Yi YuLen-Fu W. Chang2009-01-142018-06-282009-01-142018-06-282005http://ntur.lib.ntu.edu.tw//handle/246246/96667application/pdf703682 bytesapplication/pdfen-USScreening Air Pollution Episodes by Principal Component Analysisjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/96667/1/07.pdf