Lo, C P. & Yeung, Albert K. W. <br/><br/>
Concept and techniques of geographic information systems 

 - 2nd ed 
 - PHL Learning, New Delhi  2012 
 - xii,532 
<br/><br/><label>ISBN: </label>9788120339149 
<br/><br/><label>Dewey Class. No.: </label>910.285 Lo/Yeu