000 00264nam a2200109Ia 4500
008 220201s1998 xx 000 0 eng d
100 _aGOPAL, M.
245 0 _aDIGITAL CONTROL & STATE VARIABLE METHODS
260 _aDELHI
_bTMH
_c1998
300 _a660
942 _2ddc
999 _c67461
_d67461