00359nam a2200145Ia 4500008004100000020001800041041000800059082001700067100001700084245003300101260002700134300000800161365001600169700002800185230718s9999    xx            000 0 und d  a9780074517871  aeng  a621.392bGOP  aNagrath I.J.  aSystem Modeling and Analysis  c2004bTata McGraw-Hill  a647  cRs.b295.00  aNagrath I.J. & Gopal M.