TY  - BOOK
AU  - Dean,William E.
ED  - Research and Development Corporation,
TI  - How low can an unmanned air vehicle fly?
T2  - The Rand corporation papers
PY  - 1990///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Drone aircraft
KW  - Safety measures
KW  - Guidance systems (Flight)
KW  - Juvenile literature
N1  - Rand / RP - 7680 - RGS
ER  -