Fichtel, Carl E. <br/><br/>
Gamma ray astrophysics  new insight into the universe 
Carl E. Fichtel and Jacob I. Trombka                                          
 - Washington  National Aeronautics and Space Administration  1981 
 - xii, 401p. 
 - NASA SP; 453 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Gamma ray astronomy<br/>Space astronomy<br/>Universe
<br/><br/><label>Universal Decimal Class. No.: </label>52-732  / FIC