000			00416nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a9971-51-167-3
082			_a621.382 2 GOB
100			_aGabel, Robert. A Roberts, Richard, A
245		0	_aSignals and linear systems
250			_a3rd
260			_aJohn wiely & sons Inc. _bNew York _c1987
300			_aXVII,470 _b _6
650			_aCOMMUNICATION SYSTEM
999			_c166861 _d166861