000 00243 a2200073 4500
245 0 _aPropagation Factors in Space Communications /
_cBlackband W.T..
710 2 _aTechnivision.
_eWydawca
_4pbl
260 _aMaidenhead :
_bTechnivision,
_c1967.
300 _aXIV, 569 s.;
_c25 cm.
999 _c2883
_d2883