Bernhardsen, Tor. <br/><br/>
Geographic information systems: An introduction 

 - 2nd Edition 
 - New York  John Wiley & Sons  1999 
 - xvi,372p. 
<br/><br/><label>ISBN: </label> RS 4439.25 (USD 91.91) 
<br/><br/><label>Source: </label> RS 4439.25 (USD 91.91) 
<br/><br/><label>Dewey Class. No.: </label>910.285 BER