Electron density distribution in ionosphere and exosphere 
edited by E. V. Thrane 
 - Amsterdam  North-Holland   1964 
 - vii+394p.  figs; index; tables 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electron DensityElectron Density DistributionExosphereIonoshere
<br/><br/><label>Universal Decimal Class. No.: </label>551.510.535.4:537.222  / THR