Demers, Michael N. <br/><br/>
Fundamentals of geographic information systems 

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 - USA  John Wiley & Sons  2005 
 - xii, 468p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>0-471-20491-9 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Geographic information systems  GIS  georgraphical ionformation systems 
<br/><br/><label>Dewey Class. No.: </label>911:681.516