00315nam a2200109Ia 4500008004100000020002200041041001200063100004300075245003400118260003200152650002100184231221s9999    xx            000 0 und d  a978-0-387-49864-5  aEnglish  aPedro Filipe Cunha, Paul G. Maropoulos 0aDigital Enterprise Technology  c2007bSpringer USaNew York  aComputer Science