Hurn, Jeff <br/><br/>
Differential GPS explained :  An exposé of the surprisingly simple principles behind today's most advanced positioning technology / 
Jeff Hurn. 
 - Sunnyvale, California :  Trimble Navigation,  1993. 
 - 55 p. ;  il. ;  21 cm. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label> Normal 
<br/><br/><label>Dewey Class. No.: </label>526.64