Encyclopedia of GEOGRAPHIC INFORMATION SCIENCE 
Karen K. Kemp 
 - New Delhi  SAGE publications  2008 
 - xxii, 558p.  ill., index 
<br/><br/><label>ISBN: </label>978 1 4129 1313 3 
<br/><br/><label>LC Class. No.: </label>G70.212.K46 2008