The sonar and radar :  how does it work? / 
compiled by A. I. Team 
 - Kuala Lumpur :  Arus Intelek,  2004 
 - 22p. :  col. ill. ;  20cm. 
 - My ICT data bank series .
<br/><br/><label>ISBN: </label>9831502248 (set) 9831502280 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sonar--Juvenile literature<br/>Radar--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>621.3895