00353nam a2200133Ia 4500008004100000041000800041082001600049100002300065245003300088250000600121260005200127300001100179650002900190210716s1990    xx            000 0 und d  aeng  a004.21 WETJ  aWetherbe, James C.  aSystems analysis and design.  a3  aNew DelhibGalgotia publications pvt ltd.c1990  axi,395  aSystem Analysis & Design