Heywood, Ian <br/><br/>
An introduction to geographical information systems 
by Ian Heywood; Sarah Cornelius; Steve Carver 
 - 4th ed. 
 - England,  Pearson,  2011. 
 - xxxiv, 446p. 
<br/><br/><label>ISBN: </label>9780273722595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHICAL INFORMATION SYSTEMS<br/>GIS
<br/><br/><label>Dewey Class. No.: </label>910.285 HEY/I;2