SARAH,HEYWOOD LAN. <br/><br/>
AN INTRODUCTION TO GEOGRAPHICAL INFORMATION SYSTEMS / 
LAN HEYWOOD SARAH. 
 - 4th ED. 
 - LONDON ;  PEARSON,  1998. 
 - 446 P. ; 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>910.285  / LAN