000			00371nam a2200133Ia 4500
008			211209s1997 xx 000 0 und d
020			_a0-07-462134-3
041			_aeng
082			_a629.89 N97 GOP
100			_aGOPAL, M
245			_aDIGITAL CONTROL AND STATE VARIABLE METHODS
260			_aNEW DELHI _bTATA MCGRAW-HILL PUBLISHING COMPANY LIMITED _c1997
300			_a660
999			_c34882 _d34882