Chang, Kang-tsung <br/><br/>
Introduction to geographic information systems / 
Kang-tsung Chang 
 - 7th ed. 
 - Boston, MA :  McGraw-Hill,  c2014 
 - xviii, 425 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780073522906 0073522902 9780077805401 0077805402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems