New universal library 

 - London:   International Learning Systems Corporation Ltd,  
 - xii, 331p. 
<br/><br/> Vol. 20 Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Astronomy 
<br/><br/><label>Universal Decimal Class. No.: </label>R 5(03)  / M6