000 00288 a2200085 4500
100 1 _aKelso, John M..
_eAutor
245 0 _aRadio Ray Propagation in the Ionosphere /
_cKelso John M..
710 2 _aMcGraw-Hill Book Company.
_eWydawca
_4pbl
260 _aNew York :
_bMcGraw-Hill,
_c1964.
300 _aXIII, 408 s.;
_c24 cm.
999 _c2685
_d2685