000 00302nam a2200133Ia 4500
008 221102s9999 xx 000 0 und d
082 _a658 GUP
100 _aGupta, A K
245 0 _aManagement of system
250 _a1st ed
260 _bMacmillan Pub
_aDelhi
_c1997
300 _a559p p.
942 _cBK
999 _c939
_d939