000 00268 a2200073 4500
245 0 _aDirectional Broadcast Antennas :
_bA guide to adjustment, measurement, and testing /
_c.
710 2 _aTAB Books.
_eWydawca
_4pbl
260 _aBlue Ridge Summit, PA :
_bTAB Books,
_c1974.
300 _a209 s.;
_c24 cm.
999 _c9333
_d9333