Aitken, Robert Grant,  1864-1951 <br/><br/>
The binary stars / 
by Robert Grant Aitken 
 - New York :  [D.C. McMurtrie],  1918 
 - 316 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Double stars
<br/><br/><label>Dewey Class. No.: </label>523.84