Taylor, George <br/><br/>
Intelligent positioning :  GIS-GPS unification / 
George Taylor and Geoff Blewitt 
 - England :  John Wiley,  2006 
 - vii, 181 p. :  ill. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0470850035 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Global Positioning System<br/>Geographic information systems