00578nam a2200181Ia 4500003000900000005001700009008004100026020000700067040001600074080001900090245014600109260003000255300001400285650004100299650001500340650001500355700002600370IN-BaIIA20250729130450.0211028s9999    xx            000 0 eng d  aNO  cIIA Library  a551.510.5bSOM 0aSome ionospheric results obtained during the international geophysical yearcedited by W. J. G. Beynon                                         aAmsterdambElsevierc1960  axi, 399p.  aAstronomy and Astrophysics Thesaurus  aGeophysics  aIonosphere  aBeynon, W. J. G., ed.