Campbell, William Wallace  <br/><br/>
The elements of practical astronomy 
William Wallace Campbell 
 - London  Macmillan   1899 
 - xii+264p. 
<br/><br/><label>ISBN: </label>3337278418 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Universal Decimal Class. No.: </label>52  / CAM