Bernhardsen, TOR. <br/><br/>
GEOGRAPHIC Information Systems An introduction / 
TOR.Bernhardsen 
 - New york :  John wiley & sons,  2002 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic.
<br/><br/><label>Dewey Class. No.: </label>910.285  / BER