Bolstad, Paul. <br/><br/>
GIS fundamentals :  a first text on geographic information systems / 
Paul Bolstad. 
 - 1st  ed. 
 - White Bear Lake, MN :  Eider Press,  2008. 
 - xii, 620  p. 
<br/><br/><label>ISBN: </label>0971764729 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.