000 00380nam a2200145Ia 4500
020 _a0074517872
082 _a621.3192
_bNAG
100 _aNagrath I.J.& Gopal, M.
245 _aSystems modelling and analysis
260 _aNew Delhi
_bTata McGraw Hill
_c1982
300 _axii/647
650 _aComputer Science
650 _aElectrical & Electronics Engineering
044 _aIndia
999 _c1691
_d1691