000 00320pam a2200133a 44500
082 _a621.38
_bR298e
100 _aRenton, Robert Norman
245 1 _aELEMENTARY TELECOMMUNICATION PRINCIPLES
260 _aLondon
_bPitman
_c1967
300 _a288
650 _aTelecommunication
964 _gCIRC
997 _aK3339 s C
999 _c387224
_d387224