Rawer, Karl. <br/><br/>
The ionospere :   its significance for geophysics and radio communi cations /  
Karl Rawer ; translated form the German by Ludwig Katz. 
 - New York :   F. Ungar Publishing Company,   1952. 
 - 202 p. :    ill. ;    25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ionospere.--------
<br/><br/><label>Dewey Class. No.: </label>551.514