"�âˆä‰x˜Y,˜@Œ©�FŽu,�Ä“¡�‹,‘å–å�³‹@","�‚ƒr�[ƒ‰ƒCƒgƒZƒ�ƒ“ƒg�d‰»‘Ì‚ÌCO2ŒÅ’艻‚Æ—n’E‹““®",,"ƒZƒ�ƒ“ƒg�EƒRƒ“ƒNƒŠ�[ƒg˜_•¶�W","(ŽÐ�jƒZƒ�ƒ“ƒg‹¦‰ï",,"No. 60","pp. 76-81",2007,Feb.