00284nam a2200133Ia 4500008004100000041000800041082001300049100000800062245004300070260001300113300000800126365000800134700000800142230718s9999    xx            000 0 und d  aeng  a003bLEE  aLee  aIntroducing System Analysis And Design  bGalgotia  a556  cRs.  aLee