Heywood, D. Ian <br/><br/>
An introduction to geographical information systems / 
Ian Heywood, Sarah Cornelius, and Steve Carver 
 - 2nd ed. 
 - Harlow :  Prentice Hall,  2002 
 - 295 p. :  ill. (some col.), maps (some col.) 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0130611980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHICA INFORMATION SYSTEMS
<br/><br/><label>LC Class. No.: </label>G70.212  / H498I 2002