000 00297 a2200073 4500
245 0 _aCCIR Plenary Assembly New Delhi, 1970 :
_bPropagation in Non-Ionized Media (Study Group 5) /
_c.
_nVol.2 Part 1
710 2 _aInternational Telecommunication Union.
_eWydawca
_4pbl
260 _aGeneva :
_bITU,
_c1970.
300 _a246 s.;
_c24 cm.
999 _c13296
_d13296