Sharma, R C Chaturvedi, P D <br/><br/>
Scientific Contexts English for technical Students 

 - Newdelhi  Tata McGraw-Hill  1980 
 - p.123 
<br/><br/><label>ISBN: </label>0070966255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and Technology<br/>Forcasting Weather
<br/><br/><label>Dewey Class. No.: </label>82f8.2 S531