000			004570000a22001930004500
245			_aTelecommunications primer
100			_aLangley, Grahm
250			_a3rd ed.
260			_aLondon _bPitman _c1990
300			_avi, 182p.
500			_aIndex included
020			_a0273031872
080			_a621.39 _bL3
650			_aTELECOMMUNICATION
650			_aTELECOMMUNICATION SYSTEMS
650			_aSIGNAL PROCESSING
041			_aEN
942			_cBK _03
999			_c35791 _d35791