000			00553nam a2200217Ia 4500
008			210210b1990 xxu||||| |||| 00| 0 eng d
020			_a0029463009
082			_a621.380413 GIBP
100			_aGIBSON (Jerry D).
245			_aPrinciples of digital and analog communications.
260			_aNew York. _bMacmillan Publishers Ltd. _c1990
300			_a521
650			_aPrinciples
650			_aof
650			_adigital
650			_acommunications.
650			_aand
650			_aanalog
690			_aElectronic Communication
906			_a047782
999			_c97135 _d97135