Girling,D A. <br/><br/>
Everyman's encyclopaedia,Vol.10 

 - 6th ed. 
 - London  J M Dent& sons Ltd.  1978 
 - 764p. 
<br/><br/><label>ISBN: </label>0460040227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precipitation- Sextans
<br/><br/><label>Dewey Class. No.: </label>032  / GIR/E.10