Giovanni Aloisio Euro Blasi Massimo Cafaro Italo Epicoco Sandro Fiore Maria Mirto Dynamic Grid Catalog Information Service. 198-205 http://dx.doi.org/10.1007/978-3-540-24689-3_25 2003 conf/eagc/2003 European Across Grids Conference db/conf/eagc/eagc2003.html#AloisioBCEFM03