Silva, Ranjith Premalal De  <br/><br/>
Global positioning systems   theory,application & practice 

 - Sri Lanka  Geo- Informatics Society of Sri Lanka  2004 
 - ii,60p.  25cm 
 - Proceedings  of the GPS day .
<br/><br/><label>ISBN: </label>9558928011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research methods<br/>Knowleadge<br/>Research
<br/><br/><label>Dewey Class. No.: </label>001.42  / GLO