Jensen, John R. <br/><br/>
Introductory geographic information systems / 
John R. Jensen, Ryan R. Jensen 
 - Boston :  Prentice Hall,  2013 
 - xxvi, 400 p. :  col. ill. ;  28 cm. 
 - Pearson series in geographic information science .
 - Pearson series in geographic information science .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780136147763 0136147763 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems