000 00249 a2200085 4500
100 1 _aGreen, D. C..
_eAutor
245 0 _aRadio and Line Transmission /A/ /
_cGreen D. C..
710 2 _aPitman.
_eWydawca
_4pbl
260 _aLondon :
_bPitman,
_c1968.
300 _aXI, 321 s.;
_c25 cm.
999 _c5716
_d5716