Gurugnanam,  B <br/><br/>
Geographic information system  / 
B Gurugnanam 
 - New Delhi :   New India,   2009. 
 - xiv , 193 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources<br/>Natural resources
<br/><br/><label>Dewey Class. No.: </label>915.4  / GUG 2009