000 00294nam a2200133Ia 4500
008 190201s9999 xx 000 0 und d
020 _a74621351
100 _a"Gopal, M"
245 0 _aControl Systems Principl
260 _aNew Delhi
260 _bTMH
260 _c1997
300 _a"XV, 999"
999 _c16980
_d16980