000			00412nam a22001577a 4500
003			OSt
008			230403b ||||| |||| 00| 0 eng d
020			_a9780201072440
082			_bSTR _a621.382
100			_aStremler, Ferrel G.
245			_aIntroduction to communication systems
260			_aMassachusetts: _bAddison-Wesley, _c©1977
300			_axii, 562p.
650			_aTelecommunication
942			_2ddc _cBK
999			_c9588 _d9588