Chang, Kang-Tsung. <br/><br/>
Introduction to geographic information systems / 
Kang-tsung Chang. 
 - 4th ed. 
 - New Delhi :  Tata McGraw Hill ,  c2008. 
 - xiv, 450 p. : ;   ill., maps ;  24 cm  1 CD-ROM (4 3/4 in.) 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780070658981 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.
<br/><br/><label>Dewey Class. No.: </label>910.285  / CHA/I