Understanding gps :  principles and applications, second edition. 
edited by Kaplan, Elliott D 
 - 2nd ed. 
 - [S.l.] :  Artech House Publishers,  2005. 
 - 726 p. ; 
<br/><br/> Hardcover. 
<br/><br/><label>ISBN: </label>1580538940 9781580538947 
<br/><br/><label>Dewey Class. No.: </label>623.893  / UND