Principles of Geographic Information Systems :   an introductory textbook /  
editor, Rolf A. de By ; authors, Rolf A. de By ... [et al.]. 
 - Enschede, Netherlands :   International Institute for Aerospace Survey and Earth Sciences,   c2000. 
 - 230 p. :   il. color., mapas color. 
 - ITC educational textbook series,   1567-5777 .
 - By, Rolf A. de .
<br/><br/><label>ISBN: </label>9061641845 
<br/><br/><label>ISSN: </label>1567-5777 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sistemas de informação geográfica.
<br/><br/><label>Dewey Class. No.: </label>526.9