000 002640000a22001210004500
245 _aRadio construction for amateurs
100 _aWarring, R.H.
260 _aLondon
_bPitman
_c1975
300 _a120 p.
080 _a621.396
_bW3
041 _aEN
942 _cBK
999 _c103246
_d103246