00317nam a2200121Ia 4500008004100000041000800041100002100049245005000070250001100120260003700131365000800168999001900176231011s9999    xx            000 0 und d  aeng  aElton and Gruber  aModern Portfolio Theory & Investment Analysis  a2002 5  bJohn Wiley and Sons New  York. -  b302  c888357d888357