Ronan, Colin A  <br/><br/>
Optical astronomy changing horizons 

 - London:   Phoenix House,   1964 
 - 68p.  
 - Progress of science series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy 
<br/><br/><label>Subjects--Index Terms: </label>Science  
<br/><br/><label>Universal Decimal Class. No.: </label>52:535.83  / K4