Frolich, Friedrich <br/><br/>
Geomagnetism of aeronomie (in German)  vol. III 
Friedrich Frolich…[et al.]                                           
 - Germany  Veb Deutscher Verlag Der Wissenschaften  1959 
 - xii, 632p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronomy<br/>Astronomy and Astrophysics Thesaurus<br/>Geomagnetism
<br/><br/><label>Universal Decimal Class. No.: </label>550.38  / FRO-3