Heywood,Ian. <br/><br/>
An Introduction to geographical information systems  [Book /] 
Ian Heywood, Sarah Cornelius and Steve Carver. 
 - 2nd .ed. 
 - New York :  Pearson Education,  2006. 
 - 287.p :  ill., maps ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 253-266) and index. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>8177587846 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.
<br/><br/><label>Dewey Class. No.: </label>910.285 
<br/><br/><label>National Library of Medicine Call No.: </label>910.285  / H I