00329nam a2200133Ia 4500008004100000040001600041041001200057082001600069100002600085245002900111250001200140260002600152300001700178230917s9999||||xx |||||||||||||| ||und||  e72266aMAIN  aEnglish  a005.74 S32D  aSilberschatz, Abraham 0aDatabase system concepts  a3rd ed.  aNew YorkbMcGraw-Hill  axxii, 821 p.