CHANG,K.T <br/><br/>
INTRODUCTION TO GEOGRAPHIC INFORMATION SYSTEMS(WITH CD) 

 - NEW DELHI  Tata McGraw-Hill 
 - xviii+348p., 
<br/><br/><label>ISBN: </label>0-07-049552-1 
<br/><br/><label>Dewey Class. No.: </label>621.38195404 C454