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008 230411s9999 xx 000 0 und d
082 _a621.38153
_bNAG
100 _aNAGRATH (I J.)
245 0 _aCONTROL SYSTEM ENGINEERING
260 _bNEW AGE PVT.
_aNEW DELHI
942 _cBB
999 _c9143
_d9143