00419nam a2200157Ia 4500003000900000008004100009040001600050080001800066110002100084245005200105260003900157300001000196650001500206650001900221710002100240IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a551.510.bPHY  aPhysical Society 4aThe physics of the ionospherecPhysical Society  aLondonbThe Physical Societyc1955  a406p.  aIonosphere  aNASA thesaurus  aPhysical Society