000 00291nam a22001217a 4500
082 _a621.382 LAD'S
100 _aSTONER, C. R,LADNER, A. W
_959021
245 _aSHORT WAVE WIRELESS COMMUNICATION
250 _a5TH
260 _aLONDON
_bCHAPMAN & HALL
_c1950
300 _a717P
942 _cBK
999 _c569081
_d569081