000 00313nam a2200133Ia 4500
005 20260413100345.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aHira , D.S.
245 0 _aSystem Simulation
260 _bNew Delhi, S.Chand
_c2001
300 _a255
942 _cBB
999 _c286
_d286