國立臺灣大學物理系所Chuang, S.Y.S.Y.Chuang莊樹源2006-09-272018-06-282006-09-272018-06-281978http://ntur.lib.ntu.edu.tw//handle/246246/20060927120025445244application/pdf509071 bytesapplication/pdfzh-TWPositron Annihilation and Phase Transitions in Molecular Substancesjournal articlehttp://ntur.lib.ntu.edu.tw/bitstream/246246/20060927120025445244/1/0111.pdf