Struve, Otto <br/><br/>
Astronomy of the 20th century 
Otto Struve                                                 
 - New York  Macmillan  1962 
 - 544p. 
<br/><br/> Contains illustrations 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Astronomy and Astrophysics Thesaurus<br/>Astrophysics
<br/><br/><label>Universal Decimal Class. No.: </label>52  / STR