Ronan, Colin <br/><br/>
Optical astronomy: Changing horizons 

 -  ELBS, London  1965 
 - 68 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics; Descriptive astronomy
<br/><br/><label>Dewey Class. No.: </label>PG 523.01  RON-O