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- 2012/11/16�@�uPortugal, history and culture. Expansion and fusion of cultures�v Maria L Cristiano�@Ž� �@�iƒ|ƒ‹ƒgƒKƒ‹Algarve‘åŠw‰»Šw‰È‹³Žö�j
- 2006/10/19 �u’†�‘‚Ì’n‹…ŠÂ‹«ŠÏ‘ª‚É‚¨‚¯‚é•�Š¿‘åŠw‚Ì–ðŠ„�v�@’£—Ç”|�@Ž��i•�Š¿‘åŠw�j
- 2005/12/20�@�u’†�‘Œo�ς̉ۑè�v�@’P‘å–¾ Ž��i’†�‘ŸÌ‰A�HŠw‰@�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 ”ŽŽm�iUniversity of Leeds�j