000 003180000a22001210004500
245 _aElectrical communications : theory, worked examples and problems
100 _aMeadows, R.G.
260 _aLondon
_bMacmillan
_c1976
300 _axi, 171p. : ill.
080 _a621.391(076)
_bM4
041 _aEN
942 _cBK
999 _c103213
_d103213