andrew U Frank,Irene Campari <br/><br/>
Spatial information theory 

 - 
 -  Springer-Verlag  1993 
 - 477 
<br/><br/>  
<br/><br/><label>ISBN: </label>3-540-57207-4 
<br/><br/><label>Dewey Class. No.: </label>004