Skilling W T <br/><br/>
Bief text in astronomy 
Skilling W T; Richardson R S 
 -  1957 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25878 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Astronomy<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B9, J76