01319nam 2200421 450 991069356800332120230120012910.01-4832-2655-7(CKB)2670000000575157(MiAaPQ)EBC1834540(EXLCZ)99267000000057515720141119h19571957 uy 0engurcnu||||||||rdacontentrdamediardacarrierThe Ionosphere IGY instruction manual /editors, W. J. G. Beynon and G. M. Brown ; International Council of Scientific UnionsLondon, [England] :Pergamon Press,1957.©19571 online resource (255 pages) illustrationsAnnals of the International Geophysical Year ;Volume III1-4832-1312-9 1-322-29169-1 Annals of the International Geophysical Year ;Volume III.IonosphereResearchIonosphereResearch.551.5Beynon W. J. G.Brown G. M.International Council of Scientific Unions,MiAaPQMiAaPQMiAaPQBOOK9910693568003321The Ionosphere3092758UNINA