Clarke, Keith C.,  1955- <br/><br/>
Getting started with geographic information systems / 
Keith C. Clarke. 
 - 4th ed. 
 - Upper Saddle River, N.J. :  Pearson Education,  c2003. 
 - xii, 340 p. :  ill. (some col.) ;  25 cm. +  1 CD-ROM (4 3/4 in.) 
 - Prentice Hall series in geographic information science .
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0130460273 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.--Environmental Science
<br/><br/><label>Dewey Class. No.: </label>910.285