McNamara, Joel <br/><br/>
GPS for dummies / 
by Joel McNamara 
 - 2nd ed. 
 -  Wiley Publishing  2008 
<br/><br/>17067 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Global positioning system<br/>Outdoor recreation - Equipment and supplies
<br/><br/><label>LC Class. No.: </label>G109.5  / Mac