00313nam a2200121Ia 4500008004100000020001800041028003300059082002100092100001900113245001400132260003900146365000600185191016s9999    xx            000 0 und d  a9780385494373  aDonated by President Office   223a658.5620 HAR  aHarry,Mikel  J 0aSix sigma  bNew York : Currency, ©2000.c2000  b0