Bernhardsen, Tor <br/><br/>
Geographic information systems  an introduction 

 - New York  John Wiley & Sons  2002 
 - xiii, 428p.  23cm. 
<br/><br/><label>ISBN: </label>0471419680 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Geographic information systems
<br/><br/><label>Dewey Class. No.: </label>910.285  / B49G