000 00250nam a22001097a 4500
082 _a621.384 SCR'S
100 _aSCROFFIE, M. G
_980057
245 _aSECOND THOUGHTS ON RADIO THEORY
260 _aLONDON
_bILIFFE
_c1963
300 _a410P
942 _cBK
999 _c585031
_d585031