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- 2012/11/16@uPortugal, history and culture. Expansion and fusion of culturesv Maria L Cristiano@Ž @iƒ|ƒ‹ƒgƒKƒ‹Algarve‘åŠw‰»Šw‰È‹³Žöj
- 2006/10/19 u’†‘‚Ì’n‹…ŠÂ‹«ŠÏ‘ª‚É‚¨‚¯‚é•Š¿‘åŠw‚Ì–ðŠ„v@’£—Ç”|@Ži•Š¿‘åŠwj
- 2005/12/20@u’†‘Œoς̉ۑèv@’P‘å–¾ Ži’†‘ŸÌ‰AHŠw‰@j
- 2004/ 7/ 2@"The University of Siegen and th Center of Micro and Nanochemistry and Technology"@Prof Michael Schmittel (University of Siegen)
- 2002/ 5/24@"Do we all speak different languages?"@Anthony Fox ”ŽŽmiUniversity of Leedsj