TY  - BOOK
ED  - A. I. Team
TI  - The sonar and radar: how does it work? 
SN  - 9831502248 (set)
U1  - 621.3895 22
PY  - 2004///
CY  - Kuala Lumpur
PB  - Arus Intelek
KW  - Sonar
KW  - Juvenile literature
KW  - Radar
ER  -