00381nas a2200145   4500000000100000008004100001260004600042100001700088700001700105700001800122700001800140700002000158245003500178020002200213       2008                            d  cAugustaLas Palmas de Gran Canaria, Spain1 aPablo Chacin1 aXavier León1 aRené Brunner1 aFelix Freitag1 aLeandro Navarro00aCore Services for Grid Markets  a978-0-387-09454-0