000			00361nam a2200145Ia 4500
008			180112s9999||||xx |||||||||||||| ||und||
020			_a71005609
082			_a621.382
100			_aCARLSON BRUCE A
245		0	_aCOMMUNICATION SYSTEM
250			_aSecond
260			_aAUCKLAND _bM.G.H PUBLISHER-1 _c1984
300			_a495
650			_aCommunication Engg-Digital Com.
942			_cGEN_BK
999			_c2559 _d2559