Bittencourt, J. A. <br/><br/>
Ionospheric and thermospheric studies 

 - London  Pergamon  1992 
<br/><br/><label>Subjects--Index Terms: </label>Ionospheric and thermospheric studies  Thermospheric and ionospheric studies  Ionospheric and thermospheric studies  
<br/><br/><label>Dewey Class. No.: </label>551.5145