Heywood, Ian. <br/><br/>
An introduction to geographical information systems / 
Ian Heywood, Sarah Cornelius and Steve Carver 
 - 3rd ed. 
 - India:  Pearson,  c2010. 
 - xxxvi, 426 p. :  ill., maps ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9788131731932 
<br/><br/><label>LCCN: </label>2002075994 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems
<br/><br/><label>LC Class. No.: </label>G70.212  / .H49 2002 
<br/><br/><label>Dewey Class. No.: </label>910.285/HEI