8Th Workshop of the European-Microbeam-Analysis-Society, Date: MAY 18-22, 2003, Location: Chiclana de la Frontera, SPAIN, Sponsors: European Microbeam Anal Soc, Acerinox SA, Blackwell Publ Ltd, Cambridge Univ Press, Cameca SA, Edax Europe, European commiss, JRC, Inst Transuranium Elements