00297nas a2200133   4500000000100000008004100001260001200042100001700054700002000071245004000091300001200131490000700143022001300150       2008                            d  c10/20081 aOscar Ardaiz1 aLeandro Navarro00aGrid-based dynamic service overlays  a813-8230 v24  a0167739X