000 00307nam a2200121Ia 4500
008 220201s1991 xx 000 0 eng d
082 _a621.3815
_bFOR
100 _aForsythe
245 0 _aDigital control: fundamental theory & practice
260 _aDelhi
_bMcgraw Hill
_c1991
300 _a256
942 _2ddc
999 _c35165
_d35165