000 00381cam a2200157ua 4500
003 OSt
008 250108b |||||||| |||| 00| 0 eng d
041 _aeng
082 _a621.384
_bDEC/WI
100 _aDecibel, .
_96858
245 _aWireless terms explained /
250 _a2 /
260 _aLondon :
_bSir Isaac Pitman & Sons Ltd ,
_c1945.
300 _a72 ; .
942 _cBK
999 _c7075
_d7075