Yu-hsiung DengThong-han TsaiJane Yung-jen Hsu2010-10-282018-07-052010-10-282018-07-051999http://ntur.lib.ntu.edu.tw//handle/246246/219608en-USP@rty: A personal email agentconference paperhttp://ntur.lib.ntu.edu.tw/bitstream/246246/219608/1/35.pdf