000			00337nam a2200145Ia 4500
008			150723s9999 xx 000 0 und d
020			_a944
082			_a 621.3822 GOP-P
100			_a Gopal, R
245			_a Problems and solutions in signals and systems
260			_b CBS,New Delhi
260			_c2008
300			_a354
942			_cBK
999			_c838 _d838