Heywood, D. Ian. <br/><br/>
An introduction to geographical information systems / 
 Geographical information systems 
Ian Heywood, Sarah Cornelius, Steve Carver. 
 - 4th ed. 
 - Harlow, England ;  Toronto :  Prentice Hall,  2011. 
 - xxxiv, 446 p. :  col. ill. ;  27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780273722595 (pbk.) 
<br/><br/><label>LCCN: </label>2011002783 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>015722792  Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.--School of Business and Education
<br/><br/><label>LC Class. No.: </label>G 70.212  / .H49 2011 
<br/><br/><label>Dewey Class. No.: </label>G 70.212 .H49 2011