Lo, C. P. , <br/><br/>
Concepts  and  Techniques  of  Geographic  Information  Systems 

 - 2nd /   2009. 
 - Delhi:  PHI  Learning  Private  Limited,  2009. 
 - 532p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Geography, Geography  &  Travel. 
<br/><br/><label>Dewey Class. No.: </label>910