00868nam a2200241 a 450000100060000000300080000600500170001400800410003103500190007204000380009104100080012908200260013710000310016324500610019426000350025530000350029050400310032565000480035683000510040494200120045599900170046795201420048468252BD-RjUL20211209081740.0170401s1964    nyua     b    001 0 eng d  a(BD-RjUL)68462  aDLCcDSIdUkdDLCd(BD-RjUL)beng  aeng  223a538.767bKER 19641 aKelso, John Morris920233910aRadio ray propagation in the ionosphere /cJohn M. Kelso  aNew York :bMcGraw-Hill,c1964  axiii, 408 p. :bill. ;c23 cm.  aBibliography:  p. 375-393. 0aIonospheric radio wave propagation.9202340  aMcGraw-Hill electronic sciences series9154942  2ddccBK  c68252d68252  00102ddc40718NFICaRUCLbRUCLcReadingd2021-12-09ebook centreg92.50l0o538.767 KER 1964r2017-04-01 00:00:00tC-1w2017-04-01yBK